109072445 has 16 divisors (see below), whose sum is σ = 138296640. Its totient is φ = 82353024.

The previous prime is 109072429. The next prime is 109072487. The reversal of 109072445 is 544270901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109072445 - 2⁴ = 109072429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24857 + ... + 28913.

It is an arithmetic number, because the mean of its divisors is an integer number (8643540).

Almost surely, 2^109072445 is an apocalyptic number.

It is an amenable number.

109072445 is a deficient number, since it is larger than the sum of its proper divisors (29224195).

109072445 is a wasteful number, since it uses less digits than its factorization.

109072445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 109072445 is about 10443.7754188799. The cubic root of 109072445 is about 477.7914232126.

The spelling of 109072445 in words is "one hundred nine million, seventy-two thousand, four hundred forty-five".