109443505 has 8 divisors (see below), whose sum is σ = 131833152. Its totient is φ = 87220848.

The previous prime is 109443493. The next prime is 109443511. The reversal of 109443505 is 505344901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109443505 - 2¹⁵ = 109410737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40299 + ... + 42928.

It is an arithmetic number, because the mean of its divisors is an integer number (16479144).

Almost surely, 2^109443505 is an apocalyptic number.

It is an amenable number.

109443505 is a deficient number, since it is larger than the sum of its proper divisors (22389647).

109443505 is an equidigital number, since it uses as much as digits as its factorization.

109443505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83495.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 109443505 is about 10461.5249844370. The cubic root of 109443505 is about 478.3326189319.

The spelling of 109443505 in words is "one hundred nine million, four hundred forty-three thousand, five hundred five".