4155044 has 12 divisors (see below), whose sum is σ = 7290444. Its totient is φ = 2072064.

The previous prime is 4155037. The next prime is 4155049. The reversal of 4155044 is 4405514.

It can be written as a sum of positive squares in 2 ways, for example, as 3648100 + 506944 = 1910^2 + 712^2 .

It is not an unprimeable number, because it can be changed into a prime (4155049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692 + ... + 2964.

It is an arithmetic number, because the mean of its divisors is an integer number (607537).

Almost surely, 2^4155044 is an apocalyptic number.

It is an amenable number.

4155044 is a deficient number, since it is larger than the sum of its proper divisors (3135400).

4155044 is a wasteful number, since it uses less digits than its factorization.

4155044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4155044 is about 2038.3925039109. The cubic root of 4155044 is about 160.7651372817.

Subtracting from 4155044 its product of nonzero digits (1600), we obtain a square (4153444 = 2038²).

The spelling of 4155044 in words is "four million, one hundred fifty-five thousand, forty-four".