315445000645 has 16 divisors (see below), whose sum is σ = 405974903040. Its totient is φ = 234563269824.

The previous prime is 315445000639. The next prime is 315445000649. The reversal of 315445000645 is 546000544513.

It is a cyclic number.

It is not a de Polignac number, because 315445000645 - 2⁹ = 315445000133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315445000649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31320189 + ... + 31330258.

It is an arithmetic number, because the mean of its divisors is an integer number (25373431440).

Almost surely, 2^315445000645 is an apocalyptic number.

It is an amenable number.

315445000645 is a deficient number, since it is larger than the sum of its proper divisors (90529902395).

315445000645 is a wasteful number, since it uses less digits than its factorization.

315445000645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62650524.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 315445000645 in words is "three hundred fifteen billion, four hundred forty-five million, six hundred forty-five", and thus it is an aban number.