157538 has 8 divisors (see below), whose sum is σ = 238032. Its totient is φ = 78196.

The previous prime is 157523. The next prime is 157543. The reversal of 157538 is 835751.

157538 is nontrivially palindromic in base 16.

157538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 157538.

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, 281 + ... + 627.

It is an arithmetic number, because the mean of its divisors is an integer number (29754).

2¹⁵⁷⁵³⁸ is an apocalyptic number.

157538 is a deficient number, since it is larger than the sum of its proper divisors (80494).

157538 is a wasteful number, since it uses less digits than its factorization.

157538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its digits is 4200, while the sum is 29.

The square root of 157538 is about 396.9105692722. The cubic root of 157538 is about 54.0084577516.

The spelling of 157538 in words is "one hundred fifty-seven thousand, five hundred thirty-eight".