144424424441 has 4 divisors (see below), whose sum is σ = 157553917584. Its totient is φ = 131294931300.

The previous prime is 144424424413. The next prime is 144424424447.

144424424441 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2^k-144424424441 is a prime.

It is a super-2 number, since 2×144424424441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144424424395 and 144424424404.

It is not an unprimeable number, because it can be changed into a prime (144424424447) 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, 6564746555 + ... + 6564746576.

It is an arithmetic number, because the mean of its divisors is an integer number (39388479396).

Almost surely, 2^144424424441 is an apocalyptic number.

144424424441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144424424441 is a deficient number, since it is larger than the sum of its proper divisors (13129493143).

144424424441 is a wasteful number, since it uses less digits than its factorization.

144424424441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13129493142.

The product of its digits is 262144, while the sum is 38.

It can be divided in two parts, 144424 and 424441, that added together give a palindrome (568865).

The spelling of 144424424441 in words is "one hundred forty-four billion, four hundred twenty-four million, four hundred twenty-four thousand, four hundred forty-one".