250155 has 32 divisors (see below), whose sum is σ = 475200. Its totient is φ = 124416.

The previous prime is 250153. The next prime is 250169. The reversal of 250155 is 551052.

It is not a de Polignac number, because 250155 - 2¹ = 250153 is a prime.

250155 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250155.

It is not an unprimeable number, because it can be changed into a prime (250153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2241 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (14850).

2²⁵⁰¹⁵⁵ is an apocalyptic number.

250155 is a deficient number, since it is larger than the sum of its proper divisors (225045).

250155 is a wasteful number, since it uses less digits than its factorization.

250155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 250155 is about 500.1549759824. The cubic root of 250155 is about 63.0090689892.

It can be divided in two parts, 2501 and 55, that added together give a triangular number (2556 = T₇₁).

The spelling of 250155 in words is "two hundred fifty thousand, one hundred fifty-five".