255149995 has 16 divisors (see below), whose sum is σ = 316585728. Its totient is φ = 197205120.

The previous prime is 255149987. The next prime is 255150029. The reversal of 255149995 is 599941552.

It is not a de Polignac number, because 255149995 - 2³ = 255149987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134997 + ... + 136873.

It is an arithmetic number, because the mean of its divisors is an integer number (19786608).

Almost surely, 2^255149995 is an apocalyptic number.

255149995 is a deficient number, since it is larger than the sum of its proper divisors (61435733).

255149995 is a wasteful number, since it uses less digits than its factorization.

255149995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790.

The product of its digits is 729000, while the sum is 49.

The square root of 255149995 is about 15973.4152578589. The cubic root of 255149995 is about 634.2568817428.

The spelling of 255149995 in words is "two hundred fifty-five million, one hundred forty-nine thousand, nine hundred ninety-five".