157745713734 has 64 divisors (see below), whose sum is σ = 421709529600. Its totient is φ = 42698085984.

The previous prime is 157745713721. The next prime is 157745713781. The reversal of 157745713734 is 437317547751.

157745713734 is a `hidden beast` number, since 1 + 5 + 7 + 7 + 4 + 571 + 37 + 34 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10974837 + ... + 10989200.

It is an arithmetic number, because the mean of its divisors is an integer number (6589211400).

Almost surely, 2^157745713734 is an apocalyptic number.

157745713734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157745713734 is an abundant number, since it is smaller than the sum of its proper divisors (263963815866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157745713734 is a wasteful number, since it uses less digits than its factorization.

157745713734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21964074 (or 21964068 counting only the distinct ones).

The product of its digits is 8643600, while the sum is 54.

The spelling of 157745713734 in words is "one hundred fifty-seven billion, seven hundred forty-five million, seven hundred thirteen thousand, seven hundred thirty-four".