45540780 has 48 divisors (see below), whose sum is σ = 129929184. Its totient is φ = 11914240.

The previous prime is 45540779. The next prime is 45540787. The reversal of 45540780 is 8704554.

It is not an unprimeable number, because it can be changed into a prime (45540787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3981 + ... + 10340.

It is an arithmetic number, because the mean of its divisors is an integer number (2706858).

Almost surely, 2^45540780 is an apocalyptic number.

It is an amenable number.

45540780 is an abundant number, since it is smaller than the sum of its proper divisors (84388404).

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

45540780 is a wasteful number, since it uses less digits than its factorization.

45540780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386 (or 14384 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45540780 is about 6748.3909193229. The cubic root of 45540780 is about 357.1084731850.

The spelling of 45540780 in words is "forty-five million, five hundred forty thousand, seven hundred eighty".