45540684 has 96 divisors (see below), whose sum is σ = 137356800. Its totient is φ = 12778560.

The previous prime is 45540679. The next prime is 45540731. The reversal of 45540684 is 48604554.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44094 + ... + 45114.

It is an arithmetic number, because the mean of its divisors is an integer number (1430800).

Almost surely, 2^45540684 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 45540684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68678400).

45540684 is an abundant number, since it is smaller than the sum of its proper divisors (91816116).

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

45540684 is a wasteful number, since it uses less digits than its factorization.

45540684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1092 counting only the distinct ones).

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

The square root of 45540684 is about 6748.3838065125. The cubic root of 45540684 is about 357.1082222565.

The spelling of 45540684 in words is "forty-five million, five hundred forty thousand, six hundred eighty-four".