109045180 has 48 divisors (see below), whose sum is σ = 244702080. Its totient is φ = 40696128.

The previous prime is 109045177. The next prime is 109045219. The reversal of 109045180 is 81540901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23319 + ... + 27601.

It is an arithmetic number, because the mean of its divisors is an integer number (5097960).

Almost surely, 2^109045180 is an apocalyptic number.

109045180 is a gapful number since it is divisible by the number (10) 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 109045180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122351040).

109045180 is an abundant number, since it is smaller than the sum of its proper divisors (135656900).

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

109045180 is a wasteful number, since it uses less digits than its factorization.

109045180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378 (or 4376 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 109045180 is about 10442.4700143213. The cubic root of 109045180 is about 477.7516084859.

The spelling of 109045180 in words is "one hundred nine million, forty-five thousand, one hundred eighty".