109444375 has 20 divisors (see below), whose sum is σ = 140130144. Its totient is φ = 85400000.

The previous prime is 109444339. The next prime is 109444397. The reversal of 109444375 is 573444901.

It is not a de Polignac number, because 109444375 - 2¹¹ = 109442327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23490 + ... + 27760.

Almost surely, 2^109444375 is an apocalyptic number.

109444375 is the 8542-nd pentagonal number.

109444375 is a deficient number, since it is larger than the sum of its proper divisors (30685769).

109444375 is an frugal number, since it uses more digits than its factorization.

109444375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332 (or 4317 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 109444375 is about 10461.5665652903. The cubic root of 109444375 is about 478.3338863994. Note that the first 3 decimals are identical.

The spelling of 109444375 in words is "one hundred nine million, four hundred forty-four thousand, three hundred seventy-five".