144422243 has 8 divisors (see below), whose sum is σ = 165499488. Its totient is φ = 123456384.

The previous prime is 144422237. The next prime is 144422261. The reversal of 144422243 is 342224441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144422243 - 2¹² = 144418147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144422263) 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, 25046 + ... + 30267.

It is an arithmetic number, because the mean of its divisors is an integer number (20687436).

Almost surely, 2^144422243 is an apocalyptic number.

144422243 is a deficient number, since it is larger than the sum of its proper divisors (21077245).

144422243 is an equidigital number, since it uses as much as digits as its factorization.

144422243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55693.

The product of its digits is 6144, while the sum is 26.

The square root of 144422243 is about 12017.5805801334. The cubic root of 144422243 is about 524.6600889669.

Adding to 144422243 its reverse (342224441), we get a palindrome (486646684).

The spelling of 144422243 in words is "one hundred forty-four million, four hundred twenty-two thousand, two hundred forty-three".