444680141 has 2 divisors, whose sum is σ = 444680142. Its totient is φ = 444680140.

The previous prime is 444680111. The next prime is 444680143. The reversal of 444680141 is 141086444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414977641 + 29702500 = 20371^2 + 5450^2 .

It is a cyclic number.

It is not a de Polignac number, because 444680141 - 2¹⁰ = 444679117 is a prime.

Together with 444680143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 444680098 and 444680107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444680143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222340070 + 222340071.

It is an arithmetic number, because the mean of its divisors is an integer number (222340071).

Almost surely, 2^444680141 is an apocalyptic number.

It is an amenable number.

444680141 is a deficient number, since it is larger than the sum of its proper divisors (1).

444680141 is an equidigital number, since it uses as much as digits as its factorization.

444680141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 444680141 is about 21087.4403615043. The cubic root of 444680141 is about 763.2777071309.

The spelling of 444680141 in words is "four hundred forty-four million, six hundred eighty thousand, one hundred forty-one".