100045863 has 12 divisors (see below), whose sum is σ = 148035888. Its totient is φ = 65070240.

The previous prime is 100045831. The next prime is 100045873. The reversal of 100045863 is 368540001.

It is not a de Polignac number, because 100045863 - 2⁵ = 100045831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100045823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135195 + ... + 135932.

It is an arithmetic number, because the mean of its divisors is an integer number (12336324).

Almost surely, 2^100045863 is an apocalyptic number.

100045863 is a deficient number, since it is larger than the sum of its proper divisors (47990025).

100045863 is a wasteful number, since it uses less digits than its factorization.

100045863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271174 (or 271171 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 100045863 is about 10002.2928871334. The cubic root of 100045863 is about 464.2298315789.

Adding to 100045863 its reverse (368540001), we get a palindrome (468585864).

The spelling of 100045863 in words is "one hundred million, forty-five thousand, eight hundred sixty-three".