144121224224013 has 4 divisors (see below), whose sum is σ = 192161632298688. Its totient is φ = 96080816149340.

The previous prime is 144121224223939. The next prime is 144121224224059. The reversal of 144121224224013 is 310422422121441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144121224224013 - 2²⁰ = 144121223175437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144121224224113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24020204037333 + ... + 24020204037338.

It is an arithmetic number, because the mean of its divisors is an integer number (48040408074672).

Almost surely, 2^{144121224224013} is an apocalyptic number.

It is an amenable number.

144121224224013 is a deficient number, since it is larger than the sum of its proper divisors (48040408074675).

144121224224013 is an equidigital number, since it uses as much as digits as its factorization.

144121224224013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48040408074674.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 144121224224013 its reverse (310422422121441), we get a palindrome (454543646345454).

The spelling of 144121224224013 in words is "one hundred forty-four trillion, one hundred twenty-one billion, two hundred twenty-four million, two hundred twenty-four thousand, thirteen".