315145521454 has 8 divisors (see below), whose sum is σ = 472812408000. Its totient is φ = 157541385456.

The previous prime is 315145521421. The next prime is 315145521469. The reversal of 315145521454 is 454125541513.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15675079 + ... + 15695170.

It is an arithmetic number, because the mean of its divisors is an integer number (59101551000).

Almost surely, 2^315145521454 is an apocalyptic number.

315145521454 is a deficient number, since it is larger than the sum of its proper divisors (157666886546).

315145521454 is a wasteful number, since it uses less digits than its factorization.

315145521454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31375274.

The product of its digits is 240000, while the sum is 40.

The spelling of 315145521454 in words is "three hundred fifteen billion, one hundred forty-five million, five hundred twenty-one thousand, four hundred fifty-four".