255042 has 16 divisors (see below), whose sum is σ = 566880. Its totient is φ = 84996.

The previous prime is 255023. The next prime is 255043. The reversal of 255042 is 240552.

255042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255042.

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 7 ways as a sum of consecutive naturals, for example, 2308 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (35430).

2²⁵⁵⁰⁴² is an apocalyptic number.

255042 is an abundant number, since it is smaller than the sum of its proper divisors (311838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255042 is a wasteful number, since it uses less digits than its factorization.

255042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734 (or 4728 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 255042 is about 505.0168314027. The cubic root of 255042 is about 63.4167383749.

Adding to 255042 its reverse (240552), we get a palindrome (495594).

The spelling of 255042 in words is "two hundred fifty-five thousand, forty-two".