157471751542744 has 32 divisors (see below), whose sum is σ = 307826526197520. Its totient is φ = 75453774754176.

The previous prime is 157471751542687. The next prime is 157471751542813. The reversal of 157471751542744 is 447245157174751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4318535727 + ... + 4318572190.

Almost surely, 2^{157471751542744} is an apocalyptic number.

It is an amenable number.

157471751542744 is a deficient number, since it is larger than the sum of its proper divisors (150354774654776).

157471751542744 is a wasteful number, since it uses less digits than its factorization.

157471751542744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637108019 (or 8637108015 counting only the distinct ones).

The product of its digits is 153664000, while the sum is 64.

The spelling of 157471751542744 in words is "one hundred fifty-seven trillion, four hundred seventy-one billion, seven hundred fifty-one million, five hundred forty-two thousand, seven hundred forty-four".