158158 has 32 divisors (see below), whose sum is σ = 322560. Its totient is φ = 56160.

The previous prime is 158143. The next prime is 158161. The reversal of 158158 is 851851.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

158158 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 15 ways as a sum of consecutive naturals, for example, 1963 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (10080).

2¹⁵⁸¹⁵⁸ is an apocalyptic number.

158158 is an abundant number, since it is smaller than the sum of its proper divisors (164402).

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

158158 is a wasteful number, since it uses less digits than its factorization.

158158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112.

The product of its digits is 1600, while the sum is 28.

The square root of 158158 is about 397.6908346945. The cubic root of 158158 is about 54.0792161546.

The spelling of 158158 in words is "one hundred fifty-eight thousand, one hundred fifty-eight".