109443537 has 12 divisors (see below), whose sum is σ = 180668800. Its totient is φ = 62539128.

The previous prime is 109443511. The next prime is 109443539. The reversal of 109443537 is 735344901.

It is not a de Polignac number, because 109443537 - 2⁸ = 109443281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109443539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 868537 + ... + 868662.

Almost surely, 2^109443537 is an apocalyptic number.

It is an amenable number.

109443537 is a deficient number, since it is larger than the sum of its proper divisors (71225263).

109443537 is a wasteful number, since it uses less digits than its factorization.

109443537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737212 (or 1737209 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 109443537 is about 10461.5265138506. The cubic root of 109443537 is about 478.3326655515.

The spelling of 109443537 in words is "one hundred nine million, four hundred forty-three thousand, five hundred thirty-seven".