158155 has 8 divisors (see below), whose sum is σ = 194112. Its totient is φ = 123648.

The previous prime is 158143. The next prime is 158161. The reversal of 158155 is 551851.

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

It is a cyclic number.

It is not a de Polignac number, because 158155 - 2¹⁵ = 125387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102 + ... + 571.

It is an arithmetic number, because the mean of its divisors is an integer number (24264).

2¹⁵⁸¹⁵⁵ is an apocalyptic number.

158155 is a deficient number, since it is larger than the sum of its proper divisors (35957).

158155 is an equidigital number, since it uses as much as digits as its factorization.

158155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its digits is 1000, while the sum is 25.

The square root of 158155 is about 397.6870629025. The cubic root of 158155 is about 54.0788742209.

It can be divided in two parts, 158 and 155, that added together give a palindrome (313).

The spelling of 158155 in words is "one hundred fifty-eight thousand, one hundred fifty-five".