1444481 has 2 divisors, whose sum is σ = 1444482. Its totient is φ = 1444480.

The previous prime is 1444477. The next prime is 1444483. The reversal of 1444481 is 1844441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 462400 = 991^2 + 680^2 .

It is an emirp because it is prime and its reverse (1844441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444481 - 2² = 1444477 is a prime.

It is a super-2 number, since 2×1444481² = 4173050718722, which contains 22 as substring.

Together with 1444483, it forms a pair of twin primes.

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 1444481.

It is not a weakly prime, because it can be changed into another prime (1444483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722240 + 722241.

It is an arithmetic number, because the mean of its divisors is an integer number (722241).

2^1444481 is an apocalyptic number.

It is an amenable number.

1444481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444481 is an equidigital number, since it uses as much as digits as its factorization.

1444481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 26.

The square root of 1444481 is about 1201.8656330888. The cubic root of 1444481 is about 113.0413350228.

The spelling of 1444481 in words is "one million, four hundred forty-four thousand, four hundred eighty-one".