4045568 has 18 divisors (see below), whose sum is σ = 8075844. Its totient is φ = 2022656.

The previous prime is 4045567. The next prime is 4045577. The reversal of 4045568 is 8655404.

4045568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4045567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7646 + ... + 8157.

It is an arithmetic number, because the mean of its divisors is an integer number (448658).

Almost surely, 2^4045568 is an apocalyptic number.

It is an amenable number.

4045568 is a deficient number, since it is larger than the sum of its proper divisors (4030276).

4045568 is an equidigital number, since it uses as much as digits as its factorization.

4045568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819 (or 15805 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 4045568 is about 2011.3597390820. The cubic root of 4045568 is about 159.3406196762.

The spelling of 4045568 in words is "four million, forty-five thousand, five hundred sixty-eight".