45663612 has 72 divisors (see below), whose sum is σ = 114702336. Its totient is φ = 14134176.

The previous prime is 45663601. The next prime is 45663613. The reversal of 45663612 is 21636654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45663613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359493 + ... + 359619.

It is an arithmetic number, because the mean of its divisors is an integer number (1593088).

Almost surely, 2^45663612 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 45663612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57351168).

45663612 is an abundant number, since it is smaller than the sum of its proper divisors (69038724).

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

45663612 is a wasteful number, since it uses less digits than its factorization.

45663612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 234 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 45663612 is about 6757.4856270657. The cubic root of 45663612 is about 357.4292477390.

The spelling of 45663612 in words is "forty-five million, six hundred sixty-three thousand, six hundred twelve".