144240324323422 has 4 divisors (see below), whose sum is σ = 216360486485136. Its totient is φ = 72120162161710.

The previous prime is 144240324323401. The next prime is 144240324323533. The reversal of 144240324323422 is 224323423042441.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36060081080854 + ... + 36060081080857.

It is an arithmetic number, because the mean of its divisors is an integer number (54090121621284).

Almost surely, 2^{144240324323422} is an apocalyptic number.

144240324323422 is a deficient number, since it is larger than the sum of its proper divisors (72120162161714).

144240324323422 is an equidigital number, since it uses as much as digits as its factorization.

144240324323422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72120162161713.

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 144240324323422 its reverse (224323423042441), we get a palindrome (368563747365863).

The spelling of 144240324323422 in words is "one hundred forty-four trillion, two hundred forty billion, three hundred twenty-four million, three hundred twenty-three thousand, four hundred twenty-two".