155158 has 8 divisors (see below), whose sum is σ = 242928. Its totient is φ = 74184.

The previous prime is 155153. The next prime is 155161. The reversal of 155158 is 851551.

155158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155153) by changing a digit.

155158 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 3 ways as a sum of consecutive naturals, for example, 1641 + ... + 1732.

It is an arithmetic number, because the mean of its divisors is an integer number (30366).

2¹⁵⁵¹⁵⁸ is an apocalyptic number.

155158 is a deficient number, since it is larger than the sum of its proper divisors (87770).

155158 is a wasteful number, since it uses less digits than its factorization.

155158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

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

The square root of 155158 is about 393.9010027913. The cubic root of 155158 is about 53.7350995293.

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

The spelling of 155158 in words is "one hundred fifty-five thousand, one hundred fifty-eight".