315300144 has 40 divisors (see below), whose sum is σ = 815162112. Its totient is φ = 105017920.

The previous prime is 315300133. The next prime is 315300203. The reversal of 315300144 is 441003513.

It is a self number, because there is not a number n which added to its sum of digits gives 315300144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114949 + ... + 117659.

Almost surely, 2^315300144 is an apocalyptic number.

It is an amenable number.

315300144 is an abundant number, since it is smaller than the sum of its proper divisors (499861968).

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

315300144 is a wasteful number, since it uses less digits than its factorization.

315300144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 315300144 is about 17756.6929353413. The cubic root of 315300144 is about 680.6252495992.

Adding to 315300144 its reverse (441003513), we get a palindrome (756303657).

The spelling of 315300144 in words is "three hundred fifteen million, three hundred thousand, one hundred forty-four".