157230078580 has 24 divisors (see below), whose sum is σ = 330990476040. Its totient is φ = 62738257920.

The previous prime is 157230078569. The next prime is 157230078581. The reversal of 157230078580 is 85870032751.

It can be written as a sum of positive squares in 4 ways, for example, as 95469876324 + 61760202256 = 308982^2 + 248516^2 .

It is a super-2 number, since 2×157230078580² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 157230078580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157230078581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9602461 + ... + 9618820.

It is an arithmetic number, because the mean of its divisors is an integer number (13791269835).

Almost surely, 2^157230078580 is an apocalyptic number.

157230078580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157230078580 is an abundant number, since it is smaller than the sum of its proper divisors (173760397460).

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

157230078580 is a wasteful number, since it uses less digits than its factorization.

157230078580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19221699 (or 19221697 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 157230078580 in words is "one hundred fifty-seven billion, two hundred thirty million, seventy-eight thousand, five hundred eighty".