4056155 has 4 divisors (see below), whose sum is σ = 4867392. Its totient is φ = 3244920.

The previous prime is 4056137. The next prime is 4056161. The reversal of 4056155 is 5516504.

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

It is not a de Polignac number, because 4056155 - 2⁸ = 4055899 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, 405611 + ... + 405620.

It is an arithmetic number, because the mean of its divisors is an integer number (1216848).

Almost surely, 2^4056155 is an apocalyptic number.

4056155 is a deficient number, since it is larger than the sum of its proper divisors (811237).

4056155 is an equidigital number, since it uses as much as digits as its factorization.

4056155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811236.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 4056155 is about 2013.9898212255. The cubic root of 4056155 is about 159.4794934378.

The spelling of 4056155 in words is "four million, fifty-six thousand, one hundred fifty-five".