255204144 has 60 divisors (see below), whose sum is σ = 769162576. Its totient is φ = 78523776.

The previous prime is 255204137. The next prime is 255204161. The reversal of 255204144 is 441402552.

255204144 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255204144² = 130258310229545472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66292 + ... + 70035.

Almost surely, 2^255204144 is an apocalyptic number.

255204144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255204144 is an abundant number, since it is smaller than the sum of its proper divisors (513958432).

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

255204144 is a wasteful number, since it uses less digits than its factorization.

255204144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136354 (or 136345 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 255204144 is about 15975.1101404654. The cubic root of 255204144 is about 634.3017467860.

Adding to 255204144 its reverse (441402552), we get a palindrome (696606696).

The spelling of 255204144 in words is "two hundred fifty-five million, two hundred four thousand, one hundred forty-four".