255155285 has 32 divisors (see below), whose sum is σ = 383145984. Its totient is φ = 158472000.

The previous prime is 255155281. The next prime is 255155291. The reversal of 255155285 is 582551552.

It is not a de Polignac number, because 255155285 - 2² = 255155281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255155281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118670 + ... + 120800.

It is an arithmetic number, because the mean of its divisors is an integer number (11973312).

Almost surely, 2^255155285 is an apocalyptic number.

It is an amenable number.

255155285 is a deficient number, since it is larger than the sum of its proper divisors (127990699).

255155285 is a wasteful number, since it uses less digits than its factorization.

255155285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465.

The product of its digits is 100000, while the sum is 38.

The square root of 255155285 is about 15973.5808446322. The cubic root of 255155285 is about 634.2612650412.

The spelling of 255155285 in words is "two hundred fifty-five million, one hundred fifty-five thousand, two hundred eighty-five".