444323141 has 2 divisors, whose sum is σ = 444323142. Its totient is φ = 444323140.

The previous prime is 444323137. The next prime is 444323233. The reversal of 444323141 is 141323444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438023041 + 6300100 = 20929^2 + 2510^2 .

It is a cyclic number.

It is not a de Polignac number, because 444323141 - 2² = 444323137 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444323141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444323111) 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 as a sum of consecutive naturals, namely, 222161570 + 222161571.

It is an arithmetic number, because the mean of its divisors is an integer number (222161571).

Almost surely, 2^444323141 is an apocalyptic number.

It is an amenable number.

444323141 is a deficient number, since it is larger than the sum of its proper divisors (1).

444323141 is an equidigital number, since it uses as much as digits as its factorization.

444323141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 444323141 is about 21078.9739076645. The cubic root of 444323141 is about 763.0733931612.

Adding to 444323141 its reverse (141323444), we get a palindrome (585646585).

The spelling of 444323141 in words is "four hundred forty-four million, three hundred twenty-three thousand, one hundred forty-one".