157889912 has 16 divisors (see below), whose sum is σ = 296545200. Its totient is φ = 78811200.

The previous prime is 157889911. The next prime is 157889923. The reversal of 157889912 is 219988751.

157889912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157889912² = 49858448622735488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157889911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11612 + ... + 21227.

It is an arithmetic number, because the mean of its divisors is an integer number (18534075).

Almost surely, 2^157889912 is an apocalyptic number.

It is an amenable number.

157889912 is a deficient number, since it is larger than the sum of its proper divisors (138655288).

157889912 is a wasteful number, since it uses less digits than its factorization.

157889912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33446 (or 33442 counting only the distinct ones).

The product of its digits is 362880, while the sum is 50.

The square root of 157889912 is about 12565.4252614068. The cubic root of 157889912 is about 540.4864295504.

The spelling of 157889912 in words is "one hundred fifty-seven million, eight hundred eighty-nine thousand, nine hundred twelve".