45515530 has 16 divisors (see below), whose sum is σ = 82575360. Its totient is φ = 18062352.

The previous prime is 45515461. The next prime is 45515531. The reversal of 45515530 is 3551554.

It is not an unprimeable number, because it can be changed into a prime (45515531) 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 in 7 ways as a sum of consecutive naturals, for example, 16650 + ... + 19189.

It is an arithmetic number, because the mean of its divisors is an integer number (5160960).

Almost surely, 2^45515530 is an apocalyptic number.

45515530 is a deficient number, since it is larger than the sum of its proper divisors (37059830).

45515530 is a wasteful number, since it uses less digits than its factorization.

45515530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35973.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 45515530 is about 6746.5198435934. The cubic root of 45515530 is about 357.0424616093.

The spelling of 45515530 in words is "forty-five million, five hundred fifteen thousand, five hundred thirty".