144221340343 has 4 divisors (see below), whose sum is σ = 149194490040. Its totient is φ = 139248190648.

The previous prime is 144221340317. The next prime is 144221340353. The reversal of 144221340343 is 343043122441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343043122441 = 23 ⋅14914918367.

It is a cyclic number.

It is not a de Polignac number, because 144221340343 - 2⁹ = 144221339831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144221340313) 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, 2486574805 + ... + 2486574862.

It is an arithmetic number, because the mean of its divisors is an integer number (37298622510).

Almost surely, 2^144221340343 is an apocalyptic number.

144221340343 is a deficient number, since it is larger than the sum of its proper divisors (4973149697).

144221340343 is an equidigital number, since it uses as much as digits as its factorization.

144221340343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973149696.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 144221340343 its reverse (343043122441), we get a palindrome (487264462784).

The spelling of 144221340343 in words is "one hundred forty-four billion, two hundred twenty-one million, three hundred forty thousand, three hundred forty-three".