100880045 has 32 divisors (see below), whose sum is σ = 144291840. Its totient is φ = 66251520.

The previous prime is 100880033. The next prime is 100880051. The reversal of 100880045 is 540088001.

It is not a de Polignac number, because 100880045 - 2⁸ = 100879789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100879996 and 100880023.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 117839 + ... + 118691.

It is an arithmetic number, because the mean of its divisors is an integer number (4509120).

Almost surely, 2^100880045 is an apocalyptic number.

It is an amenable number.

100880045 is a deficient number, since it is larger than the sum of its proper divisors (43411795).

100880045 is a wasteful number, since it uses less digits than its factorization.

100880045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 100880045 is about 10043.9058637564. The cubic root of 100880045 is about 465.5165108864.

The spelling of 100880045 in words is "one hundred million, eight hundred eighty thousand, forty-five".