100045203 has 8 divisors (see below), whose sum is σ = 140414400. Its totient is φ = 63186408.

The previous prime is 100045181. The next prime is 100045213. The reversal of 100045203 is 302540001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100045203 - 2⁵ = 100045171 is a prime.

It is a super-2 number, since 2×100045203² = 20018085286622418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100045213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877533 + ... + 877646.

It is an arithmetic number, because the mean of its divisors is an integer number (17551800).

Almost surely, 2^100045203 is an apocalyptic number.

100045203 is a deficient number, since it is larger than the sum of its proper divisors (40369197).

100045203 is a wasteful number, since it uses less digits than its factorization.

100045203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755201.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 100045203 is about 10002.2598946438. The cubic root of 100045203 is about 464.2288107393.

Adding to 100045203 its reverse (302540001), we get a palindrome (402585204).

The spelling of 100045203 in words is "one hundred million, forty-five thousand, two hundred three".