144401443 has 2 divisors, whose sum is σ = 144401444. Its totient is φ = 144401442.

The previous prime is 144401381. The next prime is 144401447. The reversal of 144401443 is 344104441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (344104441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144401443 is a prime.

It is not a weakly prime, because it can be changed into another prime (144401447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72200721 + 72200722.

It is an arithmetic number, because the mean of its divisors is an integer number (72200722).

Almost surely, 2^144401443 is an apocalyptic number.

144401443 is a deficient number, since it is larger than the sum of its proper divisors (1).

144401443 is an equidigital number, since it uses as much as digits as its factorization.

144401443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 144401443 is about 12016.7151501565. The cubic root of 144401443 is about 524.6349002020.

Adding to 144401443 its reverse (344104441), we get a palindrome (488505884).

The spelling of 144401443 in words is "one hundred forty-four million, four hundred one thousand, four hundred forty-three".