313255145 has 32 divisors (see below), whose sum is σ = 437683200. Its totient is φ = 210802176.

The previous prime is 313255139. The next prime is 313255153. The reversal of 313255145 is 541552313.

It is a cyclic number.

It is not a de Polignac number, because 313255145 - 2⁶ = 313255081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 765701 + ... + 766109.

It is an arithmetic number, because the mean of its divisors is an integer number (13677600).

Almost surely, 2^313255145 is an apocalyptic number.

313255145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313255145 is a deficient number, since it is larger than the sum of its proper divisors (124428055).

313255145 is a wasteful number, since it uses less digits than its factorization.

313255145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777.

The product of its digits is 9000, while the sum is 29.

The square root of 313255145 is about 17699.0153680932. The cubic root of 313255145 is about 679.1505721572.

The spelling of 313255145 in words is "three hundred thirteen million, two hundred fifty-five thousand, one hundred forty-five".