100445345225 has 12 divisors (see below), whose sum is σ = 124558570896. Its totient is φ = 80352184080.

The previous prime is 100445345201. The next prime is 100445345227. The reversal of 100445345225 is 522543544001.

It is a de Polignac number, because none of the positive numbers 2^k-100445345225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100445345227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458774 + ... + 641376.

It is an arithmetic number, because the mean of its divisors is an integer number (10379880908).

Almost surely, 2^100445345225 is an apocalyptic number.

It is an amenable number.

100445345225 is a deficient number, since it is larger than the sum of its proper divisors (24113225671).

100445345225 is a wasteful number, since it uses less digits than its factorization.

100445345225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204616 (or 204611 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 100445345225 its reverse (522543544001), we get a palindrome (622988889226).

The spelling of 100445345225 in words is "one hundred billion, four hundred forty-five million, three hundred forty-five thousand, two hundred twenty-five".