158956 has 18 divisors (see below), whose sum is σ = 323988. Its totient is φ = 68040.

The previous prime is 158941. The next prime is 158959. The reversal of 158956 is 659851.

158956 is nontrivially palindromic in base 13.

It is not an unprimeable number, because it can be changed into a prime (158959) by changing a digit.

158956 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210 + ... + 601.

2¹⁵⁸⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

158956 is an abundant number, since it is smaller than the sum of its proper divisors (165032).

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

158956 is a wasteful number, since it uses less digits than its factorization.

158956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 820 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 158956 is about 398.6928642451. The cubic root of 158956 is about 54.1700174127.

The spelling of 158956 in words is "one hundred fifty-eight thousand, nine hundred fifty-six".