144317218441 has 4 divisors (see below), whose sum is σ = 157436965584. Its totient is φ = 131197471300.

The previous prime is 144317218439. The next prime is 144317218471. The reversal of 144317218441 is 144812713441.

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 144317218441 - 2¹ = 144317218439 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144317218394 and 144317218403.

It is not an unprimeable number, because it can be changed into a prime (144317218471) 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, 6559873555 + ... + 6559873576.

It is an arithmetic number, because the mean of its divisors is an integer number (39359241396).

Almost surely, 2^144317218441 is an apocalyptic number.

144317218441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144317218441 is a deficient number, since it is larger than the sum of its proper divisors (13119747143).

144317218441 is a wasteful number, since it uses less digits than its factorization.

144317218441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119747142.

The product of its digits is 86016, while the sum is 40.

The spelling of 144317218441 in words is "one hundred forty-four billion, three hundred seventeen million, two hundred eighteen thousand, four hundred forty-one".