45666612 has 48 divisors (see below), whose sum is σ = 119750400. Its totient is φ = 15048000.

The previous prime is 45666601. The next prime is 45666617. The reversal of 45666612 is 21666654.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45666617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7237 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^45666612 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 45666612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59875200).

45666612 is an abundant number, since it is smaller than the sum of its proper divisors (74083788).

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

45666612 is a wasteful number, since it uses less digits than its factorization.

45666612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853 (or 4845 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 45666612 is about 6757.7075994748. The cubic root of 45666612 is about 357.4370750091.

The spelling of 45666612 in words is "forty-five million, six hundred sixty-six thousand, six hundred twelve".