4045144 has 8 divisors (see below), whose sum is σ = 7584660. Its totient is φ = 2022568.

The previous prime is 4045141. The next prime is 4045147. The reversal of 4045144 is 4415404.

4045144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4045141) and next prime (4045147).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045141) 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 as a sum of consecutive naturals, namely, 252814 + ... + 252829.

Almost surely, 2^4045144 is an apocalyptic number.

It is an amenable number.

4045144 is a deficient number, since it is larger than the sum of its proper divisors (3539516).

4045144 is a wasteful number, since it uses less digits than its factorization.

4045144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505649 (or 505645 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4045144 is about 2011.2543349860. The cubic root of 4045144 is about 159.3350528614.

The spelling of 4045144 in words is "four million, forty-five thousand, one hundred forty-four".