315146447460 has 72 divisors (see below), whose sum is σ = 1029478402680. Its totient is φ = 77574509568.

The previous prime is 315146447437. The next prime is 315146447471. The reversal of 315146447460 is 64744641513.

315146447460 is a `hidden beast` number, since 3 + 1 + 5 + 146 + 4 + 47 + 460 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28199813184 + 286946634276 = 167928^2 + 535674^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67336645 + ... + 67341324.

Almost surely, 2^315146447460 is an apocalyptic number.

315146447460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315146447460 is an abundant number, since it is smaller than the sum of its proper divisors (714331955220).

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

315146447460 is a wasteful number, since it uses less digits than its factorization.

315146447460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134677997 (or 134677992 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 315146447460 in words is "three hundred fifteen billion, one hundred forty-six million, four hundred forty-seven thousand, four hundred sixty".