100245103 has 16 divisors (see below), whose sum is σ = 118609920. Its totient is φ = 82908000.

The previous prime is 100245097. The next prime is 100245127. The reversal of 100245103 is 301542001.

It is not a de Polignac number, because 100245103 - 2⁹ = 100244591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100245203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 142653 + ... + 143353.

It is an arithmetic number, because the mean of its divisors is an integer number (7413120).

Almost surely, 2^100245103 is an apocalyptic number.

100245103 is a deficient number, since it is larger than the sum of its proper divisors (18364817).

100245103 is an equidigital number, since it uses as much as digits as its factorization.

100245103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100245103 is about 10012.2476497538. The cubic root of 100245103 is about 464.5377964032.

Adding to 100245103 its reverse (301542001), we get a palindrome (401787104).

The spelling of 100245103 in words is "one hundred million, two hundred forty-five thousand, one hundred three".