157982744742456 has 64 divisors (see below), whose sum is σ = 408065613246720. Its totient is φ = 50936861445120.

The previous prime is 157982744742401. The next prime is 157982744742457. The reversal of 157982744742456 is 654247447289751.

157982744742456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157982744742457) 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, 743020185 + ... + 743232776.

It is an arithmetic number, because the mean of its divisors is an integer number (6376025206980).

Almost surely, 2^{157982744742456} is an apocalyptic number.

It is an amenable number.

157982744742456 is an abundant number, since it is smaller than the sum of its proper divisors (250082868504264).

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

157982744742456 is a wasteful number, since it uses less digits than its factorization.

157982744742456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486253116 (or 1486253112 counting only the distinct ones).

The product of its digits is 3793305600, while the sum is 75.

The spelling of 157982744742456 in words is "one hundred fifty-seven trillion, nine hundred eighty-two billion, seven hundred forty-four million, seven hundred forty-two thousand, four hundred fifty-six".