45420984 has 48 divisors (see below), whose sum is σ = 140590320. Its totient is φ = 12977280.

The previous prime is 45420979. The next prime is 45421007. The reversal of 45420984 is 48902454.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44557 + ... + 45564.

It is an arithmetic number, because the mean of its divisors is an integer number (2928965).

Almost surely, 2^45420984 is an apocalyptic number.

It is an amenable number.

45420984 is an abundant number, since it is smaller than the sum of its proper divisors (95169336).

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

45420984 is a wasteful number, since it uses less digits than its factorization.

45420984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90140 (or 90133 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 45420984 is about 6739.5091809419. The cubic root of 45420984 is about 356.7950710507.

The spelling of 45420984 in words is "forty-five million, four hundred twenty thousand, nine hundred eighty-four".