857354154 has 16 divisors (see below), whose sum is σ = 1717249248. Its totient is φ = 285361232.

The previous prime is 857354153. The next prime is 857354159. The reversal of 857354154 is 451453758.

It is a happy number.

It is a super-2 number, since 2×857354154² = 1470112290762111432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (857354153) 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, 101472 + ... + 109595.

It is an arithmetic number, because the mean of its divisors is an integer number (107328078).

Almost surely, 2^857354154 is an apocalyptic number.

857354154 is an abundant number, since it is smaller than the sum of its proper divisors (859895094).

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

857354154 is a wasteful number, since it uses less digits than its factorization.

857354154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211749.

The product of its digits is 336000, while the sum is 42.

The square root of 857354154 is about 29280.6105469131. The cubic root of 857354154 is about 949.9923005840.

The spelling of 857354154 in words is "eight hundred fifty-seven million, three hundred fifty-four thousand, one hundred fifty-four".