143438252872 has 16 divisors (see below), whose sum is σ = 268952424300. Its totient is φ = 71717606400.

The previous prime is 143438252857. The next prime is 143438252897. The reversal of 143438252872 is 278252834341.

It can be written as a sum of positive squares in 2 ways, for example, as 137933503236 + 5504749636 = 371394^2 + 74194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279204 + ... + 604012.

Almost surely, 2^143438252872 is an apocalyptic number.

It is an amenable number.

143438252872 is a deficient number, since it is larger than the sum of its proper divisors (125514171428).

143438252872 is a wasteful number, since it uses less digits than its factorization.

143438252872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380016 (or 380012 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 49.

The spelling of 143438252872 in words is "one hundred forty-three billion, four hundred thirty-eight million, two hundred fifty-two thousand, eight hundred seventy-two".