157415312 has 40 divisors (see below), whose sum is σ = 321419904. Its totient is φ = 74536704.

The previous prime is 157415309. The next prime is 157415347. The reversal of 157415312 is 213514751.

157415312 is digitally balanced in base 2, because in such base 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, 35828 + ... + 39980.

Almost surely, 2^157415312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157415312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160709952).

157415312 is an abundant number, since it is smaller than the sum of its proper divisors (164004592).

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

157415312 is a wasteful number, since it uses less digits than its factorization.

157415312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287 (or 4281 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 157415312 is about 12546.5258936488. The cubic root of 157415312 is about 539.9443381127.

The spelling of 157415312 in words is "one hundred fifty-seven million, four hundred fifteen thousand, three hundred twelve".