444204145 has 16 divisors (see below), whose sum is σ = 664576128. Its totient is φ = 276906240.

The previous prime is 444204121. The next prime is 444204149. The reversal of 444204145 is 541402444.

It is not a de Polignac number, because 444204145 - 2⁵ = 444204113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444204149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576504 + ... + 577273.

It is an arithmetic number, because the mean of its divisors is an integer number (41536008).

Almost surely, 2^444204145 is an apocalyptic number.

It is an amenable number.

444204145 is a deficient number, since it is larger than the sum of its proper divisors (220371983).

444204145 is a wasteful number, since it uses less digits than its factorization.

444204145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153800.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 444204145 is about 21076.1510954918. The cubic root of 444204145 is about 763.0052664756.

Adding to 444204145 its reverse (541402444), we get a palindrome (985606589).

The spelling of 444204145 in words is "four hundred forty-four million, two hundred four thousand, one hundred forty-five".