315453054645538 has 8 divisors (see below), whose sum is σ = 473791715970588. Its totient is φ = 157522482655344.

The previous prime is 315453054645503. The next prime is 315453054645539. The reversal of 315453054645538 is 835546450354513.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 215455514630409 + 99997540015129 = 14678403^2 + 9999877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (315453054645539) 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, 102022331781 + ... + 102022334872.

Almost surely, 2^{315453054645538} is an apocalyptic number.

315453054645538 is a deficient number, since it is larger than the sum of its proper divisors (158338661325050).

315453054645538 is a wasteful number, since it uses less digits than its factorization.

315453054645538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204044667428.

The product of its (nonzero) digits is 259200000, while the sum is 61.

The spelling of 315453054645538 in words is "three hundred fifteen trillion, four hundred fifty-three billion, fifty-four million, six hundred forty-five thousand, five hundred thirty-eight".