144300422132221 has 4 divisors (see below), whose sum is σ = 149276298757500. Its totient is φ = 139324545506944.

The previous prime is 144300422132203. The next prime is 144300422132239. The reversal of 144300422132221 is 122231224003441.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (144300422132203) and next prime (144300422132239).

It can be written as a sum of positive squares in 2 ways, for example, as 76597311456121 + 67703110676100 = 8751989^2 + 8228190^2 .

It is a cyclic number.

It is not a de Polignac number, because 144300422132221 - 2¹³ = 144300422124029 is a prime.

It is a super-2 number, since 2×144300422132221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144300422132201) 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 in 3 ways as a sum of consecutive naturals, for example, 2487938312596 + ... + 2487938312653.

It is an arithmetic number, because the mean of its divisors is an integer number (37319074689375).

Almost surely, 2^{144300422132221} is an apocalyptic number.

It is an amenable number.

144300422132221 is a deficient number, since it is larger than the sum of its proper divisors (4975876625279).

144300422132221 is an equidigital number, since it uses as much as digits as its factorization.

144300422132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975876625278.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 144300422132221 its reverse (122231224003441), we get a palindrome (266531646135662).

The spelling of 144300422132221 in words is "one hundred forty-four trillion, three hundred billion, four hundred twenty-two million, one hundred thirty-two thousand, two hundred twenty-one".