45184512 has 80 divisors (see below), whose sum is σ = 125706240. Its totient is φ = 14395392.

The previous prime is 45184507. The next prime is 45184537. The reversal of 45184512 is 21548154.

It is a self number, because there is not a number n which added to its sum of digits gives 45184512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34689 + ... + 35967.

It is an arithmetic number, because the mean of its divisors is an integer number (1571328).

Almost surely, 2^45184512 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 45184512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62853120).

45184512 is an abundant number, since it is smaller than the sum of its proper divisors (80521728).

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

45184512 is a wasteful number, since it uses less digits than its factorization.

45184512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1307 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 45184512 is about 6721.9425763688. The cubic root of 45184512 is about 356.1748078918.

The spelling of 45184512 in words is "forty-five million, one hundred eighty-four thousand, five hundred twelve".