4157155 has 4 divisors (see below), whose sum is σ = 4988592. Its totient is φ = 3325720.

The previous prime is 4157147. The next prime is 4157159. The reversal of 4157155 is 5517514.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4157155 - 2³ = 4157147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4157159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415711 + ... + 415720.

It is an arithmetic number, because the mean of its divisors is an integer number (1247148).

Almost surely, 2^4157155 is an apocalyptic number.

4157155 is a deficient number, since it is larger than the sum of its proper divisors (831437).

4157155 is an equidigital number, since it uses as much as digits as its factorization.

4157155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831436.

The product of its digits is 3500, while the sum is 28.

The square root of 4157155 is about 2038.9102481473. The cubic root of 4157155 is about 160.7923586338.

The spelling of 4157155 in words is "four million, one hundred fifty-seven thousand, one hundred fifty-five".