157834857 has 8 divisors (see below), whose sum is σ = 217235200. Its totient is φ = 101828880.

The previous prime is 157834841. The next prime is 157834867. The reversal of 157834857 is 758438751.

It is a happy number.

157834857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157834857 - 2⁴ = 157834841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157834837) 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, 848482 + ... + 848667.

It is an arithmetic number, because the mean of its divisors is an integer number (27154400).

Almost surely, 2^157834857 is an apocalyptic number.

It is an amenable number.

157834857 is a deficient number, since it is larger than the sum of its proper divisors (59400343).

157834857 is a wasteful number, since it uses less digits than its factorization.

157834857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697183.

The product of its digits is 940800, while the sum is 48.

The square root of 157834857 is about 12563.2343367463. The cubic root of 157834857 is about 540.4236010912.

The spelling of 157834857 in words is "one hundred fifty-seven million, eight hundred thirty-four thousand, eight hundred fifty-seven".