144444138999 has 4 divisors (see below), whose sum is σ = 192592185336. Its totient is φ = 96296092664.

The previous prime is 144444138961. The next prime is 144444139009. The reversal of 144444138999 is 999831444441.

144444138999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144444138999 - 2¹¹ = 144444136951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144444138929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24074023164 + ... + 24074023169.

It is an arithmetic number, because the mean of its divisors is an integer number (48148046334).

Almost surely, 2^144444138999 is an apocalyptic number.

144444138999 is a deficient number, since it is larger than the sum of its proper divisors (48148046337).

144444138999 is an equidigital number, since it uses as much as digits as its factorization.

144444138999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48148046336.

The product of its digits is 17915904, while the sum is 60.

The spelling of 144444138999 in words is "one hundred forty-four billion, four hundred forty-four million, one hundred thirty-eight thousand, nine hundred ninety-nine".