157854923520 has 144 divisors (see below), whose sum is σ = 576170568960. Its totient is φ = 36081119232.

The previous prime is 157854923509. The next prime is 157854923557. The reversal of 157854923520 is 25329458751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2909410 + ... + 2963169.

Almost surely, 2^157854923520 is an apocalyptic number.

157854923520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157854923520 is an abundant number, since it is smaller than the sum of its proper divisors (418315645440).

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

157854923520 is an equidigital number, since it uses as much as digits as its factorization.

157854923520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872610 (or 5872596 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 157854923520 in words is "one hundred fifty-seven billion, eight hundred fifty-four million, nine hundred twenty-three thousand, five hundred twenty".