99045180 has 120 divisors (see below), whose sum is σ = 334680192. Its totient is φ = 24375168.

The previous prime is 99045169. The next prime is 99045197. The reversal of 99045180 is 8154099.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18709 + ... + 23411.

Almost surely, 2^99045180 is an apocalyptic number.

99045180 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99045180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167340096).

99045180 is an abundant number, since it is smaller than the sum of its proper divisors (235635012).

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

99045180 is a wasteful number, since it uses less digits than its factorization.

99045180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737 (or 4726 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 99045180 is about 9952.1444925202. The cubic root of 99045180 is about 462.6768624775.

It can be divided in two parts, 99045 and 180, that added together give a square (99225 = 315²).

The spelling of 99045180 in words is "ninety-nine million, forty-five thousand, one hundred eighty".