144240403020457 has 2 divisors, whose sum is σ = 144240403020458. Its totient is φ = 144240403020456.

The previous prime is 144240403020407. The next prime is 144240403020473. The reversal of 144240403020457 is 754020304042441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126537548729881 + 17702854290576 = 11248891^2 + 4207476^2 .

It is a cyclic number.

It is not a de Polignac number, because 144240403020457 - 2¹¹ = 144240403018409 is a prime.

It is a super-3 number, since 3×144240403020457³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (144240403020407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72120201510228 + 72120201510229.

It is an arithmetic number, because the mean of its divisors is an integer number (72120201510229).

Almost surely, 2^{144240403020457} is an apocalyptic number.

It is an amenable number.

144240403020457 is a deficient number, since it is larger than the sum of its proper divisors (1).

144240403020457 is an equidigital number, since it uses as much as digits as its factorization.

144240403020457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 40.

Adding to 144240403020457 its reverse (754020304042441), we get a palindrome (898260707062898).

The spelling of 144240403020457 in words is "one hundred forty-four trillion, two hundred forty billion, four hundred three million, twenty thousand, four hundred fifty-seven".