157257316 has 6 divisors (see below), whose sum is σ = 275200310. Its totient is φ = 78628656.

The previous prime is 157257313. The next prime is 157257337. The reversal of 157257316 is 613752751.

It can be written as a sum of positive squares in only one way, i.e., 147622500 + 9634816 = 12150^2 + 3104^2 .

It is not an unprimeable number, because it can be changed into a prime (157257313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19657161 + ... + 19657168.

Almost surely, 2^157257316 is an apocalyptic number.

It is an amenable number.

157257316 is a deficient number, since it is larger than the sum of its proper divisors (117942994).

157257316 is a wasteful number, since it uses less digits than its factorization.

157257316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39314333 (or 39314331 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 157257316 is about 12540.2279086147. The cubic root of 157257316 is about 539.7636322637.

The spelling of 157257316 in words is "one hundred fifty-seven million, two hundred fifty-seven thousand, three hundred sixteen".