144444224144 has 40 divisors (see below), whose sum is σ = 306437618880. Its totient is φ = 65412368000.

The previous prime is 144444224143. The next prime is 144444224149. The reversal of 144444224144 is 441422444441.

It is a super-2 number, since 2×144444224144² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 144444224098 and 144444224107.

It is not an unprimeable number, because it can be changed into a prime (144444224143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478132 + ... + 1572819.

It is an arithmetic number, because the mean of its divisors is an integer number (7660940472).

Almost surely, 2^144444224144 is an apocalyptic number.

It is an amenable number.

144444224144 is an abundant number, since it is smaller than the sum of its proper divisors (161993394736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144444224144 is a wasteful number, since it uses less digits than its factorization.

144444224144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051239 (or 3051233 counting only the distinct ones).

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

Adding to 144444224144 its reverse (441422444441), we get a palindrome (585866668585).

The spelling of 144444224144 in words is "one hundred forty-four billion, four hundred forty-four million, two hundred twenty-four thousand, one hundred forty-four".