315050645 has 48 divisors (see below), whose sum is σ = 477849600. Its totient is φ = 199233216.

The previous prime is 315050611. The next prime is 315050651. The reversal of 315050645 is 546050513.

It is not a de Polignac number, because 315050645 - 2¹⁴ = 315034261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289292 + ... + 290378.

It is an arithmetic number, because the mean of its divisors is an integer number (9955200).

Almost surely, 2^315050645 is an apocalyptic number.

315050645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315050645 is a deficient number, since it is larger than the sum of its proper divisors (162798955).

315050645 is a wasteful number, since it uses less digits than its factorization.

315050645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1112 counting only the distinct ones).

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

The square root of 315050645 is about 17749.6660531966. Note that the first 3 decimals coincide. The cubic root of 315050645 is about 680.4456745349.

The spelling of 315050645 in words is "three hundred fifteen million, fifty thousand, six hundred forty-five".