45542580 has 48 divisors (see below), whose sum is σ = 129433920. Its totient is φ = 11962368.

The previous prime is 45542579. The next prime is 45542591. The reversal of 45542580 is 8524554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645 + ... + 9684.

It is an arithmetic number, because the mean of its divisors is an integer number (2696540).

Almost surely, 2^45542580 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 45542580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64716960).

45542580 is an abundant number, since it is smaller than the sum of its proper divisors (83891340).

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

45542580 is a wasteful number, since it uses less digits than its factorization.

45542580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11408 (or 11406 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 45542580 is about 6748.5242831303. The cubic root of 45542580 is about 357.1131780289.

The spelling of 45542580 in words is "forty-five million, five hundred forty-two thousand, five hundred eighty".