144422443 has 4 divisors (see below), whose sum is σ = 157551768. Its totient is φ = 131293120.

The previous prime is 144422437. The next prime is 144422461. The reversal of 144422443 is 344224441.

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

It is a cyclic number.

It is not a de Polignac number, because 144422443 - 2⁹ = 144421931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144422483) 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, 6564646 + ... + 6564667.

It is an arithmetic number, because the mean of its divisors is an integer number (39387942).

Almost surely, 2^144422443 is an apocalyptic number.

144422443 is a deficient number, since it is larger than the sum of its proper divisors (13129325).

144422443 is a wasteful number, since it uses less digits than its factorization.

144422443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129324.

The product of its digits is 12288, while the sum is 28.

The square root of 144422443 is about 12017.5889012730. The cubic root of 144422443 is about 524.6603311549.

Adding to 144422443 its reverse (344224441), we get a palindrome (488646884).

It can be divided in two parts, 1 and 44422443, that added together give a palindrome (44422444).

The spelling of 144422443 in words is "one hundred forty-four million, four hundred twenty-two thousand, four hundred forty-three".