144224002400449 has 2 divisors, whose sum is σ = 144224002400450. Its totient is φ = 144224002400448.

The previous prime is 144224002400353. The next prime is 144224002400497. The reversal of 144224002400449 is 944004200422441.

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., 137953951344400 + 6270051056049 = 11745380^2 + 2504007^2 .

It is an emirp because it is prime and its reverse (944004200422441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144224002400449 - 2⁹ = 144224002399937 is a prime.

It is not a weakly prime, because it can be changed into another prime (144224002430449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72112001200224 + 72112001200225.

It is an arithmetic number, because the mean of its divisors is an integer number (72112001200225).

Almost surely, 2^{144224002400449} is an apocalyptic number.

It is an amenable number.

144224002400449 is a deficient number, since it is larger than the sum of its proper divisors (1).

144224002400449 is an equidigital number, since it uses as much as digits as its factorization.

144224002400449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 144224002400449 in words is "one hundred forty-four trillion, two hundred twenty-four billion, two million, four hundred thousand, four hundred forty-nine".