100204245 has 48 divisors (see below), whose sum is σ = 181209600. Its totient is φ = 51166080.

The previous prime is 100204229. The next prime is 100204259. The reversal of 100204245 is 542402001.

It is not a de Polignac number, because 100204245 - 2⁴ = 100204229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151726 + ... + 152384.

It is an arithmetic number, because the mean of its divisors is an integer number (3775200).

Almost surely, 2^100204245 is an apocalyptic number.

100204245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100204245 is a deficient number, since it is larger than the sum of its proper divisors (81005355).

100204245 is a wasteful number, since it uses less digits than its factorization.

100204245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 100204245 is about 10010.2070408159. The cubic root of 100204245 is about 464.4746755659.

Adding to 100204245 its reverse (542402001), we get a palindrome (642606246).

The spelling of 100204245 in words is "one hundred million, two hundred four thousand, two hundred forty-five".