255342 has 8 divisors (see below), whose sum is σ = 510696. Its totient is φ = 85112.

The previous prime is 255329. The next prime is 255349. The reversal of 255342 is 243552.

255342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

255342 is an admirable number.

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 255342.

It is not an unprimeable number, because it can be changed into a prime (255349) by changing a digit.

255342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21273 + ... + 21284.

It is an arithmetic number, because the mean of its divisors is an integer number (63837).

2²⁵⁵³⁴² is an apocalyptic number.

255342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255342 is a wasteful number, since it uses less digits than its factorization.

255342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42562.

The product of its digits is 1200, while the sum is 21.

The square root of 255342 is about 505.3137639131. The cubic root of 255342 is about 63.4415938455.

Adding to 255342 its reverse (243552), we get a palindrome (498894).

The spelling of 255342 in words is "two hundred fifty-five thousand, three hundred forty-two".