157458745856 has 80 divisors (see below), whose sum is σ = 341241987240. Its totient is φ = 72290795520.

The previous prime is 157458745819. The next prime is 157458745861. The reversal of 157458745856 is 658547854751.

It can be written as a sum of positive squares in 4 ways, for example, as 68845363456 + 88613382400 = 262384^2 + 297680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157458745792 and 157458745801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136250 + ... + 577478.

Almost surely, 2^157458745856 is an apocalyptic number.

157458745856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157458745856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170620993620).

157458745856 is an abundant number, since it is smaller than the sum of its proper divisors (183783241384).

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

157458745856 is an equidigital number, since it uses as much as digits as its factorization.

157458745856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441305 (or 441289 counting only the distinct ones).

The product of its digits is 188160000, while the sum is 65.

The spelling of 157458745856 in words is "one hundred fifty-seven billion, four hundred fifty-eight million, seven hundred forty-five thousand, eight hundred fifty-six".