857148900 has 72 divisors (see below), whose sum is σ = 2610562080. Its totient is φ = 216541440.

The previous prime is 857148871. The next prime is 857148931. The reversal of 857148900 is 9841758.

857148900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69489 + ... + 80888.

Almost surely, 2^857148900 is an apocalyptic number.

It is an amenable number.

857148900 is an abundant number, since it is smaller than the sum of its proper divisors (1753413180).

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

857148900 is a wasteful number, since it uses less digits than its factorization.

857148900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150413 (or 150406 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 857148900 is about 29277.1053897068. The cubic root of 857148900 is about 949.9164838862.

The spelling of 857148900 in words is "eight hundred fifty-seven million, one hundred forty-eight thousand, nine hundred".