109230745 has 16 divisors (see below), whose sum is σ = 141522192. Its totient is φ = 80455680.

The previous prime is 109230743. The next prime is 109230757. The reversal of 109230745 is 547032901.

It can be written as a sum of positive squares in 8 ways, for example, as 18352656 + 90878089 = 4284^2 + 9533^2 .

It is not a de Polignac number, because 109230745 - 2¹ = 109230743 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109230743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26205 + ... + 30085.

It is an arithmetic number, because the mean of its divisors is an integer number (8845137).

Almost surely, 2^109230745 is an apocalyptic number.

It is an amenable number.

109230745 is a deficient number, since it is larger than the sum of its proper divisors (32291447).

109230745 is a wasteful number, since it uses less digits than its factorization.

109230745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 109230745 is about 10451.3513480315. The cubic root of 109230745 is about 478.0224556597.

The spelling of 109230745 in words is "one hundred nine million, two hundred thirty thousand, seven hundred forty-five".