45172999924 has 12 divisors (see below), whose sum is σ = 85133730724. Its totient is φ = 20849076864.

The previous prime is 45172999919. The next prime is 45172999931. The reversal of 45172999924 is 42999927154.

It can be written as a sum of positive squares in 2 ways, for example, as 21237815824 + 23935184100 = 145732^2 + 154710^2 .

It is a congruent number.

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, 434355717 + ... + 434355820.

Almost surely, 2^45172999924 is an apocalyptic number.

It is an amenable number.

45172999924 is a deficient number, since it is larger than the sum of its proper divisors (39960730800).

45172999924 is a wasteful number, since it uses less digits than its factorization.

45172999924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868711554 (or 868711552 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 61.

The spelling of 45172999924 in words is "forty-five billion, one hundred seventy-two million, nine hundred ninety-nine thousand, nine hundred twenty-four".