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Country and language: United States

Country and language

143 in words

143

one hundred forty-three

143 is written one hundred forty-three.

Ways to write it

As an ordinal
one hundred forty-third
Roman numeral
CXLIII
Expanded form
100 + 40 + 3

Place value

PlaceDigitValue
hundreds1100
tens440
ones33

Number facts

Even or odd
Odd
Prime or composite
Composite
Factors
1, 11, 13 and 143 (4 factors)
First 10 multiples
143, 286, 429, 572, 715, 858, 1,001, 1,144, 1,287, 1,430
Square
143 × 143 = 20,449
Square root
≈ 11.96
Sum of the digits
1 + 4 + 3 = 8
Rounded to the nearest 10
140
Rounded to the nearest 100
100
Number before
142
Number after
144
In binary
10001111

Quick check

  1. What number comes just after 143?

    Show the answer

    144

  2. Is 143 even or odd?

    Show the answer

    Odd

  3. What is 143 + 10?

    Show the answer

    153

Practice with a game

Frequently asked questions

How do you write 143 in words?

143 is written "one hundred forty-three".

Is 143 a prime number?

No. 143 is a composite number, because it has more than two factors.

What are the factors of 143?

The factors of 143 are 1, 11, 13 and 143.

How do you write 143 in Roman numerals?

143 in Roman numerals is CXLIII.