157006857 has 16 divisors (see below), whose sum is σ = 239744000. Its totient is φ = 89532432.

The previous prime is 157006853. The next prime is 157006859. The reversal of 157006857 is 758600751.

157006857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157006857 - 2² = 157006853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157006853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2988 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (14984000).

Almost surely, 2^157006857 is an apocalyptic number.

It is an amenable number.

157006857 is a deficient number, since it is larger than the sum of its proper divisors (82737143).

157006857 is a wasteful number, since it uses less digits than its factorization.

157006857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15492.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 157006857 is about 12530.2377072424. The cubic root of 157006857 is about 539.4769248958.

The spelling of 157006857 in words is "one hundred fifty-seven million, six thousand, eight hundred fifty-seven".