4515645 has 16 divisors (see below), whose sum is σ = 7394112. Its totient is φ = 2352000.

The previous prime is 4515631. The next prime is 4515689. The reversal of 4515645 is 5465154.

It is not a de Polignac number, because 4515645 - 2⁴ = 4515629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2856 + ... + 4145.

It is an arithmetic number, because the mean of its divisors is an integer number (462132).

Almost surely, 2^4515645 is an apocalyptic number.

It is an amenable number.

4515645 is a deficient number, since it is larger than the sum of its proper divisors (2878467).

4515645 is a wasteful number, since it uses less digits than its factorization.

4515645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052.

The product of its digits is 12000, while the sum is 30.

The square root of 4515645 is about 2125.0047058771. The cubic root of 4515645 is about 165.2874694838.

The spelling of 4515645 in words is "four million, five hundred fifteen thousand, six hundred forty-five".