45515916 has 18 divisors (see below), whose sum is σ = 115054212. Its totient is φ = 15171960.

The previous prime is 45515909. The next prime is 45515917. The reversal of 45515916 is 61951554.

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: 1264331 = 45515916 / (4 + 5 + 5 + 1 + 5 + 9 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (45515917) 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 5 ways as a sum of consecutive naturals, for example, 632130 + ... + 632201.

Almost surely, 2^45515916 is an apocalyptic number.

It is an amenable number.

45515916 is an abundant number, since it is smaller than the sum of its proper divisors (69538296).

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

45515916 is a wasteful number, since it uses less digits than its factorization.

45515916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264341 (or 1264336 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 45515916 is about 6746.5484508747. The cubic root of 45515916 is about 357.0434709205.

The spelling of 45515916 in words is "forty-five million, five hundred fifteen thousand, nine hundred sixteen".