144420324113 has 4 divisors (see below), whose sum is σ = 155529579828. Its totient is φ = 133311068400.

The previous prime is 144420324067. The next prime is 144420324149. The reversal of 144420324113 is 311423024441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63145156369 + 81275167744 = 251287^2 + 285088^2 .

It is a cyclic number.

It is not a de Polignac number, because 144420324113 - 2⁶ = 144420324049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144420324163) 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, 5554627838 + ... + 5554627863.

It is an arithmetic number, because the mean of its divisors is an integer number (38882394957).

Almost surely, 2^144420324113 is an apocalyptic number.

144420324113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144420324113 is a deficient number, since it is larger than the sum of its proper divisors (11109255715).

144420324113 is a wasteful number, since it uses less digits than its factorization.

144420324113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109255714.

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

Adding to 144420324113 its reverse (311423024441), we get a palindrome (455843348554).

The spelling of 144420324113 in words is "one hundred forty-four billion, four hundred twenty million, three hundred twenty-four thousand, one hundred thirteen".