45544860 has 72 divisors (see below), whose sum is σ = 139754160. Its totient is φ = 12004608.

The previous prime is 45544841. The next prime is 45544907. The reversal of 45544860 is 6844554.

45544860 is a `hidden beast` number, since 4 + 554 + 48 + 60 = 666.

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 23 ways as a sum of consecutive naturals, for example, 14599 + ... + 17441.

It is an arithmetic number, because the mean of its divisors is an integer number (1941030).

Almost surely, 2^45544860 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 45544860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69877080).

45544860 is an abundant number, since it is smaller than the sum of its proper divisors (94209300).

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

45544860 is a wasteful number, since it uses less digits than its factorization.

45544860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 45544860 is about 6748.6932068364. The cubic root of 45544860 is about 357.1191373199.

The spelling of 45544860 in words is "forty-five million, five hundred forty-four thousand, eight hundred sixty".