157921302 has 32 divisors (see below), whose sum is σ = 393778944. Its totient is φ = 41018400.

The previous prime is 157921273. The next prime is 157921319. The reversal of 157921302 is 203129751.

It is a self number, because there is not a number n which added to its sum of digits gives 157921302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170449 + ... + 171372.

It is an arithmetic number, because the mean of its divisors is an integer number (12305592).

Almost surely, 2^157921302 is an apocalyptic number.

157921302 is an abundant number, since it is smaller than the sum of its proper divisors (235857642).

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

157921302 is a wasteful number, since it uses less digits than its factorization.

157921302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341844.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 157921302 is about 12566.6742617130. The cubic root of 157921302 is about 540.5222451061.

The spelling of 157921302 in words is "one hundred fifty-seven million, nine hundred twenty-one thousand, three hundred two".