158157 has 6 divisors (see below), whose sum is σ = 228462. Its totient is φ = 105432.

The previous prime is 158143. The next prime is 158161. The reversal of 158157 is 751851.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 12996 = 381^2 + 114^2 .

It is not a de Polignac number, because 158157 - 2⁴ = 158141 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 158157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8778 + ... + 8795.

It is an arithmetic number, because the mean of its divisors is an integer number (38077).

2¹⁵⁸¹⁵⁷ is an apocalyptic number.

It is an amenable number.

158157 is a deficient number, since it is larger than the sum of its proper divisors (70305).

158157 is a wasteful number, since it uses less digits than its factorization.

158157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579 (or 17576 counting only the distinct ones).

The product of its digits is 1400, while the sum is 27.

The square root of 158157 is about 397.6895774345. The cubic root of 158157 is about 54.0791021772.

The spelling of 158157 in words is "one hundred fifty-eight thousand, one hundred fifty-seven".