109045231 has 4 divisors (see below), whose sum is σ = 113786352. Its totient is φ = 104304112.

The previous prime is 109045219. The next prime is 109045241. The reversal of 109045231 is 132540901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109045231 - 2¹⁷ = 108914159 is a prime.

It is a super-2 number, since 2×109045231² = 23781724807686722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109045196 and 109045205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109045241) 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, 2370526 + ... + 2370571.

It is an arithmetic number, because the mean of its divisors is an integer number (28446588).

Almost surely, 2^109045231 is an apocalyptic number.

109045231 is a deficient number, since it is larger than the sum of its proper divisors (4741121).

109045231 is an equidigital number, since it uses as much as digits as its factorization.

109045231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741120.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 109045231 is about 10442.4724562720. The cubic root of 109045231 is about 477.7516829668.

The spelling of 109045231 in words is "one hundred nine million, forty-five thousand, two hundred thirty-one".