144456413 has 2 divisors, whose sum is σ = 144456414. Its totient is φ = 144456412.

The previous prime is 144456397. The next prime is 144456421. The reversal of 144456413 is 314654441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110607289 + 33849124 = 10517^2 + 5818^2 .

It is an emirp because it is prime and its reverse (314654441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144456413 - 2⁴ = 144456397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144456413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144456443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72228206 + 72228207.

It is an arithmetic number, because the mean of its divisors is an integer number (72228207).

Almost surely, 2^144456413 is an apocalyptic number.

It is an amenable number.

144456413 is a deficient number, since it is larger than the sum of its proper divisors (1).

144456413 is an equidigital number, since it uses as much as digits as its factorization.

144456413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

The square root of 144456413 is about 12019.0021632413. The cubic root of 144456413 is about 524.7014635299.

The spelling of 144456413 in words is "one hundred forty-four million, four hundred fifty-six thousand, four hundred thirteen".