100444441 has 4 divisors (see below), whose sum is σ = 100496592. Its totient is φ = 100392292.

The previous prime is 100444439. The next prime is 100444447. The reversal of 100444441 is 144444001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100444441 - 2¹ = 100444439 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100444447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23071 + ... + 27076.

It is an arithmetic number, because the mean of its divisors is an integer number (25124148).

Almost surely, 2^100444441 is an apocalyptic number.

It is an amenable number.

100444441 is a deficient number, since it is larger than the sum of its proper divisors (52151).

100444441 is an equidigital number, since it uses as much as digits as its factorization.

100444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52150.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 100444441 is about 10022.1974137412. The cubic root of 100444441 is about 464.8455046158.

Adding to 100444441 its reverse (144444001), we get a palindrome (244888442).

The spelling of 100444441 in words is "one hundred million, four hundred forty-four thousand, four hundred forty-one".