108840045 has 32 divisors (see below), whose sum is σ = 181451520. Its totient is φ = 55641600.

The previous prime is 108840041. The next prime is 108840047. The reversal of 108840045 is 540048801.

It is not a de Polignac number, because 108840045 - 2² = 108840041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108839994 and 108840021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108840041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64857 + ... + 66513.

It is an arithmetic number, because the mean of its divisors is an integer number (5670360).

Almost surely, 2^108840045 is an apocalyptic number.

108840045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108840045 is a deficient number, since it is larger than the sum of its proper divisors (72611475).

108840045 is a wasteful number, since it uses less digits than its factorization.

108840045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 108840045 is about 10432.6432412884. The cubic root of 108840045 is about 477.4518394818.

Adding to 108840045 its reverse (540048801), we get a palindrome (648888846).

The spelling of 108840045 in words is "one hundred eight million, eight hundred forty thousand, forty-five".