109845841 has 4 divisors (see below), whose sum is σ = 125538112. Its totient is φ = 94153572.

The previous prime is 109845829. The next prime is 109845851. The reversal of 109845841 is 148548901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109845841 - 2⁵ = 109845809 is a prime.

It is a super-2 number, since 2×109845841² = 24132217569994562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109845794 and 109845803.

It is not an unprimeable number, because it can be changed into a prime (109845851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7846125 + ... + 7846138.

It is an arithmetic number, because the mean of its divisors is an integer number (31384528).

Almost surely, 2^109845841 is an apocalyptic number.

It is an amenable number.

109845841 is a deficient number, since it is larger than the sum of its proper divisors (15692271).

109845841 is an equidigital number, since it uses as much as digits as its factorization.

109845841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15692270.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 109845841 is about 10480.7366630404. The cubic root of 109845841 is about 478.9180506101.

The spelling of 109845841 in words is "one hundred nine million, eight hundred forty-five thousand, eight hundred forty-one".