45255 has 16 divisors (see below), whose sum is σ = 82944. Its totient is φ = 20640.

The previous prime is 45247. The next prime is 45259. The reversal of 45255 is 55254.

45255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45255 - 2³ = 45247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a plaindrome in base 12.

It is a nialpdrome in base 15.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45259) 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, 111 + ... + 320.

It is an arithmetic number, because the mean of its divisors is an integer number (5184).

2⁴⁵²⁵⁵ is an apocalyptic number.

45255 is a deficient number, since it is larger than the sum of its proper divisors (37689).

45255 is a wasteful number, since it uses less digits than its factorization.

45255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

The product of its digits is 1000, while the sum is 21.

The square root of 45255 is about 212.7322260496. The cubic root of 45255 is about 35.6359922989.

Subtracting 45255 from its reverse (55254), we obtain a palindrome (9999).

It can be divided in two parts, 45 and 255, that added together give a triangular number (300 = T₂₄).

The spelling of 45255 in words is "forty-five thousand, two hundred fifty-five".