255543345 has 24 divisors (see below), whose sum is σ = 444128256. Its totient is φ = 135924768.

The previous prime is 255543319. The next prime is 255543359. The reversal of 255543345 is 543345552.

255543345 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 255543345 - 2⁵ = 255543313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9822 + ... + 24648.

It is an arithmetic number, because the mean of its divisors is an integer number (18505344).

Almost surely, 2^255543345 is an apocalyptic number.

It is an amenable number.

255543345 is a deficient number, since it is larger than the sum of its proper divisors (188584911).

255543345 is a wasteful number, since it uses less digits than its factorization.

255543345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221 (or 15218 counting only the distinct ones).

The product of its digits is 180000, while the sum is 36.

The square root of 255543345 is about 15985.7231616214. The cubic root of 255543345 is about 634.5826467876.

Adding to 255543345 its reverse (543345552), we get a palindrome (798888897).

The spelling of 255543345 in words is "two hundred fifty-five million, five hundred forty-three thousand, three hundred forty-five".