109745856 has 84 divisors (see below), whose sum is σ = 343183464. Its totient is φ = 33254400.

The previous prime is 109745821. The next prime is 109745861. The reversal of 109745856 is 658547901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2325 + ... + 14996.

Almost surely, 2^109745856 is an apocalyptic number.

109745856 is a gapful number since it is divisible by the number (16) 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 109745856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171591732).

109745856 is an abundant number, since it is smaller than the sum of its proper divisors (233437608).

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

109745856 is a wasteful number, since it uses less digits than its factorization.

109745856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17350 (or 17337 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 109745856 is about 10475.9656356825. The cubic root of 109745856 is about 478.7726979447.

The spelling of 109745856 in words is "one hundred nine million, seven hundred forty-five thousand, eight hundred fifty-six".