157845469530056 has 128 divisors (see below), whose sum is σ = 377637357081600. Its totient is φ = 60057416321280.

The previous prime is 157845469530019. The next prime is 157845469530169. The reversal of 157845469530056 is 650035964548751.

It is a super-2 number, since 2×157845469530056² (a number of 29 digits) contains 22 as substring.

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, 150007010 + ... + 151055598.

It is an arithmetic number, because the mean of its divisors is an integer number (2950291852200).

Almost surely, 2^{157845469530056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157845469530056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188818678540800).

157845469530056 is an abundant number, since it is smaller than the sum of its proper divisors (219791887551544).

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

157845469530056 is a wasteful number, since it uses less digits than its factorization.

157845469530056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054339 (or 1054335 counting only the distinct ones).

The product of its (nonzero) digits is 544320000, while the sum is 68.

The spelling of 157845469530056 in words is "one hundred fifty-seven trillion, eight hundred forty-five billion, four hundred sixty-nine million, five hundred thirty thousand, fifty-six".