157522568 has 64 divisors (see below), whose sum is σ = 348848640. Its totient is φ = 65286144.

The previous prime is 157522553. The next prime is 157522609. The reversal of 157522568 is 865225751.

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, 254996 + ... + 255612.

It is an arithmetic number, because the mean of its divisors is an integer number (5450760).

Almost surely, 2^157522568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157522568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174424320).

157522568 is an abundant number, since it is smaller than the sum of its proper divisors (191326072).

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

157522568 is a wasteful number, since it uses less digits than its factorization.

157522568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 770 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 157522568 is about 12550.7994964464. The cubic root of 157522568 is about 540.0669418612.

The spelling of 157522568 in words is "one hundred fifty-seven million, five hundred twenty-two thousand, five hundred sixty-eight".