109394445 has 16 divisors (see below), whose sum is σ = 175800960. Its totient is φ = 58087104.

The previous prime is 109394429. The next prime is 109394447. The reversal of 109394445 is 544493901.

It is not a de Polignac number, because 109394445 - 2⁴ = 109394429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109394447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12489 + ... + 19358.

It is an arithmetic number, because the mean of its divisors is an integer number (10987560).

Almost surely, 2^109394445 is an apocalyptic number.

109394445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109394445 is a deficient number, since it is larger than the sum of its proper divisors (66406515).

109394445 is a wasteful number, since it uses less digits than its factorization.

109394445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32084.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 109394445 is about 10459.1799391731. The cubic root of 109394445 is about 478.2611345447.

The spelling of 109394445 in words is "one hundred nine million, three hundred ninety-four thousand, four hundred forty-five".