315442503132144 has 80 divisors (see below), whose sum is σ = 855238433236992. Its totient is φ = 99994507089664.

The previous prime is 315442503132131. The next prime is 315442503132173. The reversal of 315442503132144 is 441231305244513.

It is a junction number, because it is equal to n+sod(n) for n = 315442503132096 and 315442503132105.

It is a congruent number.

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, 825609312 + ... + 825991295.

Almost surely, 2^{315442503132144} is an apocalyptic number.

It is an amenable number.

315442503132144 is an abundant number, since it is smaller than the sum of its proper divisors (539795930104848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315442503132144 is a wasteful number, since it uses less digits than its factorization.

315442503132144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651600814 (or 1651600808 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 315442503132144 its reverse (441231305244513), we get a palindrome (756673808376657).

The spelling of 315442503132144 in words is "three hundred fifteen trillion, four hundred forty-two billion, five hundred three million, one hundred thirty-two thousand, one hundred forty-four".