157905557143 has 16 divisors (see below), whose sum is σ = 168234232320. Its totient is φ = 147787307136.

The previous prime is 157905557123. The next prime is 157905557149. The reversal of 157905557143 is 341755509751.

It is a cyclic number.

It is not a de Polignac number, because 157905557143 - 2²⁵ = 157872002711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157905557149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539346 + ... + 778912.

It is an arithmetic number, because the mean of its divisors is an integer number (10514639520).

Almost surely, 2^157905557143 is an apocalyptic number.

157905557143 is a deficient number, since it is larger than the sum of its proper divisors (10328675177).

157905557143 is a wasteful number, since it uses less digits than its factorization.

157905557143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240006.

The product of its (nonzero) digits is 3307500, while the sum is 52.

The spelling of 157905557143 in words is "one hundred fifty-seven billion, nine hundred five million, five hundred fifty-seven thousand, one hundred forty-three".