157021352 has 16 divisors (see below), whose sum is σ = 296292660. Its totient is φ = 78009984.

The previous prime is 157021343. The next prime is 157021363. The reversal of 157021352 is 253120751.

It can be written as a sum of positive squares in 2 ways, for example, as 134420836 + 22600516 = 11594^2 + 4754^2 .

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, 61253 + ... + 63764.

Almost surely, 2^157021352 is an apocalyptic number.

It is an amenable number.

157021352 is a deficient number, since it is larger than the sum of its proper divisors (139271308).

157021352 is a wasteful number, since it uses less digits than its factorization.

157021352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125180 (or 125176 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 157021352 is about 12530.8160947322. The cubic root of 157021352 is about 539.4935260336.

It can be divided in two parts, 1570 and 21352, that added together give a palindrome (22922).

The spelling of 157021352 in words is "one hundred fifty-seven million, twenty-one thousand, three hundred fifty-two".