157522 has 16 divisors (see below), whose sum is σ = 258552. Its totient is φ = 71680.

The previous prime is 157519. The next prime is 157523. The reversal of 157522 is 225751.

157522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 68121 + 89401 = 261^2 + 299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157493 and 157502.

It is not an unprimeable number, because it can be changed into a prime (157523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338 + ... + 1450.

2¹⁵⁷⁵²² is an apocalyptic number.

157522 is a deficient number, since it is larger than the sum of its proper divisors (101030).

157522 is a wasteful number, since it uses less digits than its factorization.

157522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173.

The product of its digits is 700, while the sum is 22.

The square root of 157522 is about 396.8904130865. The cubic root of 157522 is about 54.0066292730.

The spelling of 157522 in words is "one hundred fifty-seven thousand, five hundred twenty-two".