100244444345 has 4 divisors (see below), whose sum is σ = 120293333220. Its totient is φ = 80195555472.

The previous prime is 100244444341. The next prime is 100244444347. The reversal of 100244444345 is 543444442001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60136771984 + 40107672361 = 245228^2 + 200269^2 .

It is a cyclic number.

It is not a de Polignac number, because 100244444345 - 2² = 100244444341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100244444341) 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 3 ways as a sum of consecutive naturals, for example, 10024444430 + ... + 10024444439.

It is an arithmetic number, because the mean of its divisors is an integer number (30073333305).

Almost surely, 2^100244444345 is an apocalyptic number.

It is an amenable number.

100244444345 is a deficient number, since it is larger than the sum of its proper divisors (20048888875).

100244444345 is an equidigital number, since it uses as much as digits as its factorization.

100244444345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20048888874.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 100244444345 its reverse (543444442001), we get a palindrome (643688886346).

The spelling of 100244444345 in words is "one hundred billion, two hundred forty-four million, four hundred forty-four thousand, three hundred forty-five".