144301223301421 has 2 divisors, whose sum is σ = 144301223301422. Its totient is φ = 144301223301420.

The previous prime is 144301223301419. The next prime is 144301223301449. The reversal of 144301223301421 is 124103322103441.

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., 131296328488521 + 13004894812900 = 11458461^2 + 3606230^2 .

It is a cyclic number.

It is not a de Polignac number, because 144301223301421 - 2¹ = 144301223301419 is a prime.

Together with 144301223301419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144301223301451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72150611650710 + 72150611650711.

It is an arithmetic number, because the mean of its divisors is an integer number (72150611650711).

Almost surely, 2^{144301223301421} is an apocalyptic number.

It is an amenable number.

144301223301421 is a deficient number, since it is larger than the sum of its proper divisors (1).

144301223301421 is an equidigital number, since it uses as much as digits as its factorization.

144301223301421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 144301223301421 its reverse (124103322103441), we get a palindrome (268404545404862).

The spelling of 144301223301421 in words is "one hundred forty-four trillion, three hundred one billion, two hundred twenty-three million, three hundred one thousand, four hundred twenty-one".