143743924 has 12 divisors (see below), whose sum is σ = 251708548. Its totient is φ = 71827200.

The previous prime is 143743903. The next prime is 143743933. The reversal of 143743924 is 429347341.

It can be written as a sum of positive squares in 2 ways, for example, as 6853924 + 136890000 = 2618^2 + 11700^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3357 + ... + 17284.

Almost surely, 2^143743924 is an apocalyptic number.

It is an amenable number.

143743924 is a deficient number, since it is larger than the sum of its proper divisors (107964624).

143743924 is a wasteful number, since it uses less digits than its factorization.

143743924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22386 (or 22384 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 143743924 is about 11989.3254188883. The cubic root of 143743924 is about 523.8373958885.

The spelling of 143743924 in words is "one hundred forty-three million, seven hundred forty-three thousand, nine hundred twenty-four".