144421431113 has 8 divisors (see below), whose sum is σ = 145064627136. Its totient is φ = 143779482000.

The previous prime is 144421431061. The next prime is 144421431127. The reversal of 144421431113 is 311134124441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144421431113 - 2¹⁶ = 144421365577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144421431173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79181 + ... + 543242.

It is an arithmetic number, because the mean of its divisors is an integer number (18133078392).

Almost surely, 2^144421431113 is an apocalyptic number.

It is an amenable number.

144421431113 is a deficient number, since it is larger than the sum of its proper divisors (643196023).

144421431113 is an equidigital number, since it uses as much as digits as its factorization.

144421431113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623455.

The product of its digits is 4608, while the sum is 29.

Adding to 144421431113 its reverse (311134124441), we get a palindrome (455555555554).

The spelling of 144421431113 in words is "one hundred forty-four billion, four hundred twenty-one million, four hundred thirty-one thousand, one hundred thirteen".