15155 has 8 divisors (see below), whose sum is σ = 20832. Its totient is φ = 10368.

The previous prime is 15149. The next prime is 15161. The reversal of 15155 is 55151.

It is an interprime number because it is at equal distance from previous prime (15149) and next prime (15161).

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 15155 - 2⁴ = 15139 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 5.

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, 182 + ... + 251.

It is an arithmetic number, because the mean of its divisors is an integer number (2604).

2¹⁵¹⁵⁵ is an apocalyptic number.

15155 is a deficient number, since it is larger than the sum of its proper divisors (5677).

15155 is an equidigital number, since it uses as much as digits as its factorization.

15155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 125, while the sum is 17.

The square root of 15155 is about 123.1056456869. The cubic root of 15155 is about 24.7467771201.

The spelling of 15155 in words is "fifteen thousand, one hundred fifty-five".