45565312 has 64 divisors (see below), whose sum is σ = 98960400. Its totient is φ = 20772864.

The previous prime is 45565301. The next prime is 45565327. The reversal of 45565312 is 21356554.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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, 231198 + ... + 231394.

Almost surely, 2^45565312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45565312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49480200).

45565312 is an abundant number, since it is smaller than the sum of its proper divisors (53395088).

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

45565312 is a wasteful number, since it uses less digits than its factorization.

45565312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 351 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 45565312 is about 6750.2082930825. The cubic root of 45565312 is about 357.1725843141.

The spelling of 45565312 in words is "forty-five million, five hundred sixty-five thousand, three hundred twelve".