2855157 has 8 divisors (see below), whose sum is σ = 3895584. Its totient is φ = 1859088.

The previous prime is 2855141. The next prime is 2855159. The reversal of 2855157 is 7515582.

It is a happy number.

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

It is not a de Polignac number, because 2855157 - 2⁴ = 2855141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855159) 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, 10938 + ... + 11195.

It is an arithmetic number, because the mean of its divisors is an integer number (486948).

2^2855157 is an apocalyptic number.

It is an amenable number.

2855157 is a deficient number, since it is larger than the sum of its proper divisors (1040427).

2855157 is a wasteful number, since it uses less digits than its factorization.

2855157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22179.

The product of its digits is 14000, while the sum is 33.

The square root of 2855157 is about 1689.7209828845. The cubic root of 2855157 is about 141.8654580967.

The spelling of 2855157 in words is "two million, eight hundred fifty-five thousand, one hundred fifty-seven".