144443213917 has 2 divisors, whose sum is σ = 144443213918. Its totient is φ = 144443213916.

The previous prime is 144443213909. The next prime is 144443214119. The reversal of 144443213917 is 719312344441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134675054361 + 9768159556 = 366981^2 + 98834^2 .

It is an emirp because it is prime and its reverse (719312344441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144443213917 - 2³ = 144443213909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144443213617) 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, 72221606958 + 72221606959.

It is an arithmetic number, because the mean of its divisors is an integer number (72221606959).

Almost surely, 2^144443213917 is an apocalyptic number.

It is an amenable number.

144443213917 is a deficient number, since it is larger than the sum of its proper divisors (1).

144443213917 is an equidigital number, since it uses as much as digits as its factorization.

144443213917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The spelling of 144443213917 in words is "one hundred forty-four billion, four hundred forty-three million, two hundred thirteen thousand, nine hundred seventeen".