45990064 has 40 divisors (see below), whose sum is σ = 94993920. Its totient is φ = 21519168.

The previous prime is 45990059. The next prime is 45990067. The reversal of 45990064 is 46009954.

It is not an unprimeable number, because it can be changed into a prime (45990067) 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, 15967 + ... + 18625.

It is an arithmetic number, because the mean of its divisors is an integer number (2374848).

Almost surely, 2^45990064 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 45990064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47496960).

45990064 is an abundant number, since it is smaller than the sum of its proper divisors (49003856).

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

45990064 is a wasteful number, since it uses less digits than its factorization.

45990064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 45990064 is about 6781.5974519283. The cubic root of 45990064 is about 358.2789872992.

The spelling of 45990064 in words is "forty-five million, nine hundred ninety thousand, sixty-four".