45409792 has 40 divisors (see below), whose sum is σ = 93690432. Its totient is φ = 21964800.

The previous prime is 45409789. The next prime is 45409801. The reversal of 45409792 is 29790454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14442 + ... + 17302.

Almost surely, 2^45409792 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 45409792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46845216).

45409792 is an abundant number, since it is smaller than the sum of its proper divisors (48280640).

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

45409792 is an equidigital number, since it uses as much as digits as its factorization.

45409792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 45409792 is about 6738.6788022579. The cubic root of 45409792 is about 356.7657631691.

The spelling of 45409792 in words is "forty-five million, four hundred nine thousand, seven hundred ninety-two".