157285912 has 16 divisors (see below), whose sum is σ = 337041360. Its totient is φ = 67408224.

The previous prime is 157285901. The next prime is 157285939. The reversal of 157285912 is 219582751.

It is a super-2 number, since 2×157285912² = 49477716227343488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404283 + ... + 1404394.

It is an arithmetic number, because the mean of its divisors is an integer number (21065085).

Almost surely, 2^157285912 is an apocalyptic number.

It is an amenable number.

157285912 is an abundant number, since it is smaller than the sum of its proper divisors (179755448).

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

157285912 is a wasteful number, since it uses less digits than its factorization.

157285912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808690 (or 2808686 counting only the distinct ones).

The product of its digits is 50400, while the sum is 40.

The square root of 157285912 is about 12541.3680274522. The cubic root of 157285912 is about 539.7963475309.

The spelling of 157285912 in words is "one hundred fifty-seven million, two hundred eighty-five thousand, nine hundred twelve".