45645015 has 32 divisors (see below), whose sum is σ = 79672320. Its totient is φ = 22179456.

The previous prime is 45645001. The next prime is 45645071. The reversal of 45645015 is 51054654.

It is not a de Polignac number, because 45645015 - 2⁹ = 45644503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13924 + ... + 16886.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^45645015 is an apocalyptic number.

45645015 is a deficient number, since it is larger than the sum of its proper divisors (34027305).

45645015 is a wasteful number, since it uses less digits than its factorization.

45645015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

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

The square root of 45645015 is about 6756.1094573726. The cubic root of 45645015 is about 357.3807188411.

Adding to 45645015 its reverse (51054654), we get a palindrome (96699669).

The spelling of 45645015 in words is "forty-five million, six hundred forty-five thousand, fifteen".