45184860 has 216 divisors, whose sum is σ = 164324160. Its totient is φ = 10015488.

The previous prime is 45184823. The next prime is 45184877. The reversal of 45184860 is 6848154.

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 71 ways as a sum of consecutive naturals, for example, 414486 + ... + 414594.

It is an arithmetic number, because the mean of its divisors is an integer number (760760).

Almost surely, 2^45184860 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 45184860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82162080).

45184860 is an abundant number, since it is smaller than the sum of its proper divisors (119139300).

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

45184860 is a wasteful number, since it uses less digits than its factorization.

45184860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 45184860 is about 6721.9684616933. The cubic root of 45184860 is about 356.1757222797.

The spelling of 45184860 in words is "forty-five million, one hundred eighty-four thousand, eight hundred sixty".