315450250131542 has 4 divisors (see below), whose sum is σ = 473175375197316. Its totient is φ = 157725125065770.

The previous prime is 315450250131539. The next prime is 315450250131551. The reversal of 315450250131542 is 245131052054513.

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

It is a self number, because there is not a number n which added to its sum of digits gives 315450250131542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78862562532884 + ... + 78862562532887.

It is an arithmetic number, because the mean of its divisors is an integer number (118293843799329).

Almost surely, 2^{315450250131542} is an apocalyptic number.

315450250131542 is a deficient number, since it is larger than the sum of its proper divisors (157725125065774).

315450250131542 is a wasteful number, since it uses less digits than its factorization.

315450250131542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157725125065773.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 315450250131542 in words is "three hundred fifteen trillion, four hundred fifty billion, two hundred fifty million, one hundred thirty-one thousand, five hundred forty-two".