45099684 has 72 divisors (see below), whose sum is σ = 131109888. Its totient is φ = 12804480.

The previous prime is 45099653. The next prime is 45099689. The reversal of 45099684 is 48699054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45099689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47664 + ... + 48600.

Almost surely, 2^45099684 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 45099684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65554944).

45099684 is an abundant number, since it is smaller than the sum of its proper divisors (86010204).

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

45099684 is a wasteful number, since it uses less digits than its factorization.

45099684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 45099684 is about 6715.6298289885. The cubic root of 45099684 is about 355.9517777548.

The spelling of 45099684 in words is "forty-five million, ninety-nine thousand, six hundred eighty-four".