158125 has 20 divisors (see below), whose sum is σ = 224928. Its totient is φ = 110000.

The previous prime is 158113. The next prime is 158129. The reversal of 158125 is 521851.

It is a de Polignac number, because none of the positive numbers 2^k-158125 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 158096 and 158105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6864 + ... + 6886.

2¹⁵⁸¹²⁵ is an apocalyptic number.

It is an amenable number.

158125 is a deficient number, since it is larger than the sum of its proper divisors (66803).

158125 is an equidigital number, since it uses as much as digits as its factorization.

158125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54 (or 39 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 158125 is about 397.6493430147. The cubic root of 158125 is about 54.0754546455.

Adding to 158125 its reverse (521851), we get a palindrome (679976).

The spelling of 158125 in words is "one hundred fifty-eight thousand, one hundred twenty-five".