15145872 has 40 divisors (see below), whose sum is σ = 44717376. Its totient is φ = 4327296.

The previous prime is 15145853. The next prime is 15145909. The reversal of 15145872 is 27854151.

15145872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22203 + ... + 22874.

Almost surely, 2^15145872 is an apocalyptic number.

15145872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15145872 is an abundant number, since it is smaller than the sum of its proper divisors (29571504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15145872 is a wasteful number, since it uses less digits than its factorization.

15145872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45095 (or 45089 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 15145872 is about 3891.7697773635. The cubic root of 15145872 is about 247.4180771615.

The spelling of 15145872 in words is "fifteen million, one hundred forty-five thousand, eight hundred seventy-two".