255315155 has 8 divisors (see below), whose sum is σ = 309537312. Its totient is φ = 202146048.

The previous prime is 255315149. The next prime is 255315167. The reversal of 255315155 is 551513552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255315155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262727 + ... + 263696.

It is an arithmetic number, because the mean of its divisors is an integer number (38692164).

Almost surely, 2^255315155 is an apocalyptic number.

255315155 is a deficient number, since it is larger than the sum of its proper divisors (54222157).

255315155 is an equidigital number, since it uses as much as digits as its factorization.

255315155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526525.

The product of its digits is 18750, while the sum is 32.

The square root of 255315155 is about 15978.5842614419. The cubic root of 255315155 is about 634.3937048850.

The spelling of 255315155 in words is "two hundred fifty-five million, three hundred fifteen thousand, one hundred fifty-five".