315043245 has 48 divisors (see below), whose sum is σ = 601286400. Its totient is φ = 151320960.

The previous prime is 315043243. The next prime is 315043247. The reversal of 315043245 is 542340513.

It is an interprime number because it is at equal distance from previous prime (315043243) and next prime (315043247).

It is not a de Polignac number, because 315043245 - 2¹ = 315043243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315043243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51036 + ... + 56874.

It is an arithmetic number, because the mean of its divisors is an integer number (12526800).

Almost surely, 2^315043245 is an apocalyptic number.

It is an amenable number.

315043245 is a deficient number, since it is larger than the sum of its proper divisors (286243155).

315043245 is a wasteful number, since it uses less digits than its factorization.

315043245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970 (or 5967 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 315043245 is about 17749.4575973465. The cubic root of 315043245 is about 680.4403469921.

Adding to 315043245 its reverse (542340513), we get a palindrome (857383758).

The spelling of 315043245 in words is "three hundred fifteen million, forty-three thousand, two hundred forty-five".