45321516 has 18 divisors (see below), whose sum is σ = 114562812. Its totient is φ = 15107160.

The previous prime is 45321511. The next prime is 45321553. The reversal of 45321516 is 61512354.

45321516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45321516.

It is not an unprimeable number, because it can be changed into a prime (45321511) 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 5 ways as a sum of consecutive naturals, for example, 629430 + ... + 629501.

Almost surely, 2^45321516 is an apocalyptic number.

It is an amenable number.

45321516 is an abundant number, since it is smaller than the sum of its proper divisors (69241296).

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

45321516 is a wasteful number, since it uses less digits than its factorization.

45321516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258941 (or 1258936 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 45321516 is about 6732.1256672763. The cubic root of 45321516 is about 356.5344306520.

The spelling of 45321516 in words is "forty-five million, three hundred twenty-one thousand, five hundred sixteen".