315170345 has 16 divisors (see below), whose sum is σ = 438688128. Its totient is φ = 212889600.

The previous prime is 315170341. The next prime is 315170417. The reversal of 315170345 is 543071513.

It is not a de Polignac number, because 315170345 - 2² = 315170341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315170341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64856 + ... + 69545.

It is an arithmetic number, because the mean of its divisors is an integer number (27418008).

Almost surely, 2^315170345 is an apocalyptic number.

315170345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315170345 is a deficient number, since it is larger than the sum of its proper divisors (123517783).

315170345 is a wasteful number, since it uses less digits than its factorization.

315170345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134480.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 315170345 is about 17753.0376274034. The cubic root of 315170345 is about 680.5318395536.

The spelling of 315170345 in words is "three hundred fifteen million, one hundred seventy thousand, three hundred forty-five".