315242434145 has 16 divisors (see below), whose sum is σ = 381223896768. Its totient is φ = 250239088320.

The previous prime is 315242434139. The next prime is 315242434181. The reversal of 315242434145 is 541434242513.

It is not a de Polignac number, because 315242434145 - 2³⁶ = 246522957409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315242434099 and 315242434108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6701447 + ... + 6748323.

It is an arithmetic number, because the mean of its divisors is an integer number (23826493548).

Almost surely, 2^315242434145 is an apocalyptic number.

It is an amenable number.

315242434145 is a deficient number, since it is larger than the sum of its proper divisors (65981462623).

315242434145 is a wasteful number, since it uses less digits than its factorization.

315242434145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57280.

The product of its digits is 230400, while the sum is 38.

Adding to 315242434145 its reverse (541434242513), we get a palindrome (856676676658).

The spelling of 315242434145 in words is "three hundred fifteen billion, two hundred forty-two million, four hundred thirty-four thousand, one hundred forty-five".