109845842 has 6 divisors (see below), whose sum is σ = 164790999. Its totient is φ = 54915510.

The previous prime is 109845829. The next prime is 109845851. The reversal of 109845842 is 248548901.

It can be written as a sum of positive squares in only one way, i.e., 54922921 + 54922921 = 7411^2 + 7411^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7411.

It is a super-2 number, since 2×109845842² = 24132218009377928, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109845842.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11117 + ... + 18527.

Almost surely, 2^109845842 is an apocalyptic number.

109845842 is a deficient number, since it is larger than the sum of its proper divisors (54945157).

109845842 is an frugal number, since it uses more digits than its factorization.

109845842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14824 (or 7413 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 109845842 is about 10480.7367107470. The cubic root of 109845842 is about 478.9180520634.

The spelling of 109845842 in words is "one hundred nine million, eight hundred forty-five thousand, eight hundred forty-two".