45508620 has 96 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 11450880.

The previous prime is 45508601. The next prime is 45508693. The reversal of 45508620 is 2680554.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79696 + ... + 80264.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

Almost surely, 2^45508620 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 45508620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67415040).

45508620 is an abundant number, since it is smaller than the sum of its proper divisors (89321460).

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

45508620 is a wasteful number, since it uses less digits than its factorization.

45508620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 45508620 is about 6746.0077082672. The cubic root of 45508620 is about 357.0243924047.

The spelling of 45508620 in words is "forty-five million, five hundred eight thousand, six hundred twenty".