157020522 has 32 divisors (see below), whose sum is σ = 331437120. Its totient is φ = 49455360.

The previous prime is 157020499. The next prime is 157020553. The reversal of 157020522 is 225020751.

It is a junction number, because it is equal to n+sod(n) for n = 157020492 and 157020501.

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, 47772 + ... + 50952.

It is an arithmetic number, because the mean of its divisors is an integer number (10357410).

Almost surely, 2^157020522 is an apocalyptic number.

157020522 is an abundant number, since it is smaller than the sum of its proper divisors (174416598).

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

157020522 is a wasteful number, since it uses less digits than its factorization.

157020522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 157020522 is about 12530.7829763347. The cubic root of 157020522 is about 539.4925754614.

The spelling of 157020522 in words is "one hundred fifty-seven million, twenty thousand, five hundred twenty-two".