144210224431997 has 2 divisors, whose sum is σ = 144210224431998. Its totient is φ = 144210224431996.

The previous prime is 144210224431993. The next prime is 144210224432119. The reversal of 144210224431997 is 799134422012441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129617564670841 + 14592659761156 = 11384971^2 + 3820034^2 .

It is an emirp because it is prime and its reverse (799134422012441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144210224431997 - 2² = 144210224431993 is a prime.

It is a super-2 number, since 2×144210224431997² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144210224431991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72105112215998 + 72105112215999.

It is an arithmetic number, because the mean of its divisors is an integer number (72105112215999).

Almost surely, 2^{144210224431997} is an apocalyptic number.

It is an amenable number.

144210224431997 is a deficient number, since it is larger than the sum of its proper divisors (1).

144210224431997 is an equidigital number, since it uses as much as digits as its factorization.

144210224431997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 144210224431997 in words is "one hundred forty-four trillion, two hundred ten billion, two hundred twenty-four million, four hundred thirty-one thousand, nine hundred ninety-seven".