45609516 has 18 divisors (see below), whose sum is σ = 115290812. Its totient is φ = 15203160.

The previous prime is 45609511. The next prime is 45609523. The reversal of 45609516 is 61590654.

45609516 is a `hidden beast` number, since 4 + 560 + 95 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1266931 = 45609516 / (4 + 5 + 6 + 0 + 9 + 5 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (45609511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 633430 + ... + 633501.

Almost surely, 2^45609516 is an apocalyptic number.

It is an amenable number.

45609516 is an abundant number, since it is smaller than the sum of its proper divisors (69681296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45609516 is a wasteful number, since it uses less digits than its factorization.

45609516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266941 (or 1266936 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 45609516 is about 6753.4817686879. The cubic root of 45609516 is about 357.2880475425.

The spelling of 45609516 in words is "forty-five million, six hundred nine thousand, five hundred sixteen".