155265 has 16 divisors (see below), whose sum is σ = 271296. Its totient is φ = 75200.

The previous prime is 155251. The next prime is 155269. The reversal of 155265 is 562551.

It is not a de Polignac number, because 155265 - 2⁶ = 155201 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (155269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306 + ... + 635.

It is an arithmetic number, because the mean of its divisors is an integer number (16956).

2¹⁵⁵²⁶⁵ is an apocalyptic number.

155265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155265 is a deficient number, since it is larger than the sum of its proper divisors (116031).

155265 is a wasteful number, since it uses less digits than its factorization.

155265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960.

The product of its digits is 1500, while the sum is 24.

The square root of 155265 is about 394.0368003118. The cubic root of 155265 is about 53.7474489505.

The spelling of 155265 in words is "one hundred fifty-five thousand, two hundred sixty-five".