109155200 has 192 divisors, whose sum is σ = 336942720. Its totient is φ = 33945600.

The previous prime is 109155191. The next prime is 109155227. The reversal of 109155200 is 2551901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246179 + ... + 246621.

It is an arithmetic number, because the mean of its divisors is an integer number (1754910).

Almost surely, 2^109155200 is an apocalyptic number.

109155200 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 109155200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168471360).

109155200 is an abundant number, since it is smaller than the sum of its proper divisors (227787520).

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

109155200 is a wasteful number, since it uses less digits than its factorization.

109155200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 109155200 is about 10447.7365969860. The cubic root of 109155200 is about 477.9122286512.

The spelling of 109155200 in words is "one hundred nine million, one hundred fifty-five thousand, two hundred".