315645460177 has 4 divisors (see below), whose sum is σ = 326529786420. Its totient is φ = 304761133936.

The previous prime is 315645460139. The next prime is 315645460219. The reversal of 315645460177 is 771064546513.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122136969361 + 193508490816 = 349481^2 + 439896^2 .

It is a cyclic number.

It is not a de Polignac number, because 315645460177 - 2³⁵ = 281285721809 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315645460177.

It is not an unprimeable number, because it can be changed into a prime (315645490177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5442163078 + ... + 5442163135.

It is an arithmetic number, because the mean of its divisors is an integer number (81632446605).

Almost surely, 2^315645460177 is an apocalyptic number.

It is an amenable number.

315645460177 is a deficient number, since it is larger than the sum of its proper divisors (10884326243).

315645460177 is a wasteful number, since it uses less digits than its factorization.

315645460177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884326242.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 315645460177 in words is "three hundred fifteen billion, six hundred forty-five million, four hundred sixty thousand, one hundred seventy-seven".