157319252 has 12 divisors (see below), whose sum is σ = 279975360. Its totient is φ = 77326296.

The previous prime is 157319249. The next prime is 157319263. The reversal of 157319252 is 252913751.

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, 333068 + ... + 333539.

It is an arithmetic number, because the mean of its divisors is an integer number (23331280).

Almost surely, 2^157319252 is an apocalyptic number.

It is an amenable number.

157319252 is a deficient number, since it is larger than the sum of its proper divisors (122656108).

157319252 is a wasteful number, since it uses less digits than its factorization.

157319252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666670 (or 666668 counting only the distinct ones).

The product of its digits is 18900, while the sum is 35.

The square root of 157319252 is about 12542.6971581076. The cubic root of 157319252 is about 539.8344851673.

The spelling of 157319252 in words is "one hundred fifty-seven million, three hundred nineteen thousand, two hundred fifty-two".