45643015 has 24 divisors (see below), whose sum is σ = 61860960. Its totient is φ = 32281920.

The previous prime is 45643001. The next prime is 45643019. The reversal of 45643015 is 51034654.

45643015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45643015 - 2¹¹ = 45640967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45643019) 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 23 ways as a sum of consecutive naturals, for example, 21366 + ... + 23404.

It is an arithmetic number, because the mean of its divisors is an integer number (2577540).

Almost surely, 2^45643015 is an apocalyptic number.

45643015 is a deficient number, since it is larger than the sum of its proper divisors (16217945).

45643015 is a wasteful number, since it uses less digits than its factorization.

45643015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45643015 is about 6755.9614415714. The cubic root of 45643015 is about 357.3754990533.

Adding to 45643015 its reverse (51034654), we get a palindrome (96677669).

The spelling of 45643015 in words is "forty-five million, six hundred forty-three thousand, fifteen".