4155155 has 4 divisors (see below), whose sum is σ = 4986192. Its totient is φ = 3324120.

The previous prime is 4155121. The next prime is 4155161. The reversal of 4155155 is 5515514.

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

It is not a de Polignac number, because 4155155 - 2¹⁶ = 4089619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415511 + ... + 415520.

It is an arithmetic number, because the mean of its divisors is an integer number (1246548).

Almost surely, 2^4155155 is an apocalyptic number.

4155155 is a deficient number, since it is larger than the sum of its proper divisors (831037).

4155155 is an equidigital number, since it uses as much as digits as its factorization.

4155155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831036.

The product of its digits is 2500, while the sum is 26.

The square root of 4155155 is about 2038.4197310662. The cubic root of 4155155 is about 160.7665688567.

The spelling of 4155155 in words is "four million, one hundred fifty-five thousand, one hundred fifty-five".