255555045 has 24 divisors (see below), whose sum is σ = 447946200. Its totient is φ = 134762496.

The previous prime is 255555017. The next prime is 255555049. The reversal of 255555045 is 540555552.

It can be written as a sum of positive squares in 4 ways, for example, as 10131489 + 245423556 = 3183^2 + 15666^2 .

It is not a de Polignac number, because 255555045 - 2¹⁸ = 255292901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255555049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27900 + ... + 35909.

It is an arithmetic number, because the mean of its divisors is an integer number (18664425).

Almost surely, 2^255555045 is an apocalyptic number.

It is an amenable number.

255555045 is a deficient number, since it is larger than the sum of its proper divisors (192391155).

255555045 is a wasteful number, since it uses less digits than its factorization.

255555045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63909 (or 63906 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The square root of 255555045 is about 15986.0891089722. The cubic root of 255555045 is about 634.5923313855.

It can be divided in two parts, 2555 and 55045, that added together give a square (57600 = 240²).

The spelling of 255555045 in words is "two hundred fifty-five million, five hundred fifty-five thousand, forty-five".