315212402445 has 32 divisors (see below), whose sum is σ = 505853825664. Its totient is φ = 167608915200.

The previous prime is 315212402429. The next prime is 315212402489. The reversal of 315212402445 is 544204212513.

It is not a de Polignac number, because 315212402445 - 2⁴ = 315212402429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22490490 + ... + 22504500.

It is an arithmetic number, because the mean of its divisors is an integer number (15807932052).

Almost surely, 2^315212402445 is an apocalyptic number.

It is an amenable number.

315212402445 is a deficient number, since it is larger than the sum of its proper divisors (190641423219).

315212402445 is a wasteful number, since it uses less digits than its factorization.

315212402445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18413.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 315212402445 its reverse (544204212513), we get a palindrome (859416614958).

The spelling of 315212402445 in words is "three hundred fifteen billion, two hundred twelve million, four hundred two thousand, four hundred forty-five".