444312141 has 32 divisors (see below), whose sum is σ = 730302720. Its totient is φ = 233985024.

The previous prime is 444312139. The next prime is 444312149. The reversal of 444312141 is 141213444.

It is not a de Polignac number, because 444312141 - 2¹ = 444312139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444312149) 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 31 ways as a sum of consecutive naturals, for example, 274651 + ... + 276263.

It is an arithmetic number, because the mean of its divisors is an integer number (22821960).

Almost surely, 2^444312141 is an apocalyptic number.

It is an amenable number.

444312141 is a deficient number, since it is larger than the sum of its proper divisors (285990579).

444312141 is a wasteful number, since it uses less digits than its factorization.

444312141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645.

The product of its digits is 1536, while the sum is 24.

The square root of 444312141 is about 21078.7129825329. The cubic root of 444312141 is about 763.0670960351.

Adding to 444312141 its reverse (141213444), we get a palindrome (585525585).

The spelling of 444312141 in words is "four hundred forty-four million, three hundred twelve thousand, one hundred forty-one".