315165745231142 has 16 divisors (see below), whose sum is σ = 509124313143600. Its totient is φ = 145458136897632.

The previous prime is 315165745231097. The next prime is 315165745231147. The reversal of 315165745231142 is 241132547561513.

It is a super-2 number, since 2×315165745231142² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315165745231147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122716517 + ... + 125258432.

It is an arithmetic number, because the mean of its divisors is an integer number (31820269571475).

Almost surely, 2^{315165745231142} is an apocalyptic number.

315165745231142 is a deficient number, since it is larger than the sum of its proper divisors (193958567912458).

315165745231142 is a wasteful number, since it uses less digits than its factorization.

315165745231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248023847.

The product of its digits is 3024000, while the sum is 50.

The spelling of 315165745231142 in words is "three hundred fifteen trillion, one hundred sixty-five billion, seven hundred forty-five million, two hundred thirty-one thousand, one hundred forty-two".