255045 has 24 divisors (see below), whose sum is σ = 476064. Its totient is φ = 116256.

The previous prime is 255043. The next prime is 255049. The reversal of 255045 is 540552.

255045 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 255045 - 2¹ = 255043 is a prime.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255045.

It is not an unprimeable number, because it can be changed into a prime (255043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562 + ... + 908.

It is an arithmetic number, because the mean of its divisors is an integer number (19836).

255045 is a Friedman number, since it can be written as 505^2+5*4, using all its digits and the basic arithmetic operations.

2²⁵⁵⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

255045 is a deficient number, since it is larger than the sum of its proper divisors (221019).

255045 is a wasteful number, since it uses less digits than its factorization.

255045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 362 counting only the distinct ones).

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

The square root of 255045 is about 505.0198015920. The cubic root of 255045 is about 63.4169870260.

Adding to 255045 its reverse (540552), we get a palindrome (795597).

The spelling of 255045 in words is "two hundred fifty-five thousand, forty-five".