157447157318 has 32 divisors (see below), whose sum is σ = 259569636480. Its totient is φ = 71031404160.

The previous prime is 157447157303. The next prime is 157447157321. The reversal of 157447157318 is 813751744751.

It is a self number, because there is not a number n which added to its sum of digits gives 157447157318.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16487021 + ... + 16496567.

It is an arithmetic number, because the mean of its divisors is an integer number (8111551140).

Almost surely, 2^157447157318 is an apocalyptic number.

157447157318 is a deficient number, since it is larger than the sum of its proper divisors (102122479162).

157447157318 is a wasteful number, since it uses less digits than its factorization.

157447157318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15092.

The product of its digits is 3292800, while the sum is 53.

The spelling of 157447157318 in words is "one hundred fifty-seven billion, four hundred forty-seven million, one hundred fifty-seven thousand, three hundred eighteen".