144444444243 has 8 divisors (see below), whose sum is σ = 210101009856. Its totient is φ = 87542087400.

The previous prime is 144444444217. The next prime is 144444444251. The reversal of 144444444243 is 342444444441.

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

It is not a de Polignac number, because 144444444243 - 2¹³ = 144444436051 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 144444444195 and 144444444204.

It is not an unprimeable number, because it can be changed into a prime (144444444043) 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, 2188552153 + ... + 2188552218.

It is an arithmetic number, because the mean of its divisors is an integer number (26262626232).

Almost surely, 2^144444444243 is an apocalyptic number.

144444444243 is a deficient number, since it is larger than the sum of its proper divisors (65656565613).

144444444243 is a wasteful number, since it uses less digits than its factorization.

144444444243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377104385.

The product of its digits is 1572864, while the sum is 42.

Adding to 144444444243 its reverse (342444444441), we get a palindrome (486888888684).

The spelling of 144444444243 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, two hundred forty-three".