45990912 has 88 divisors (see below), whose sum is σ = 133824672. Its totient is φ = 13926400.

The previous prime is 45990911. The next prime is 45990929. The reversal of 45990912 is 21909954.

It is a tau number, because it is divible by the number of its divisors (88).

It is not an unprimeable number, because it can be changed into a prime (45990911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33112 + ... + 34472.

Almost surely, 2^45990912 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 45990912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66912336).

45990912 is an abundant number, since it is smaller than the sum of its proper divisors (87833760).

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

45990912 is a wasteful number, since it uses less digits than its factorization.

45990912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 45990912 is about 6781.6599737822. The cubic root of 45990912 is about 358.2811893598.

The spelling of 45990912 in words is "forty-five million, nine hundred ninety thousand, nine hundred twelve".