144240403120013 has 4 divisors (see below), whose sum is σ = 144392716112640. Its totient is φ = 144088090127388.

The previous prime is 144240403119983. The next prime is 144240403120061. The reversal of 144240403120013 is 310021304042441.

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 144240403120013 - 2¹⁶ = 144240403054477 is a prime.

It is a super-2 number, since 2×144240403120013² (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 (144240403123013) 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, 76156494893 + ... + 76156496786.

It is an arithmetic number, because the mean of its divisors is an integer number (36098179028160).

Almost surely, 2^{144240403120013} is an apocalyptic number.

It is an amenable number.

144240403120013 is a deficient number, since it is larger than the sum of its proper divisors (152312992627).

144240403120013 is an equidigital number, since it uses as much as digits as its factorization.

144240403120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152312992626.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 144240403120013 its reverse (310021304042441), we get a palindrome (454261707162454).

The spelling of 144240403120013 in words is "one hundred forty-four trillion, two hundred forty billion, four hundred three million, one hundred twenty thousand, thirteen".