144322543 has 4 divisors (see below), whose sum is σ = 144379480. Its totient is φ = 144265608.

The previous prime is 144322511. The next prime is 144322547. The reversal of 144322543 is 345223441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345223441 = 293 ⋅1178237.

It is a cyclic number.

It is not a de Polignac number, because 144322543 - 2⁵ = 144322511 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 (144322547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24480 + ... + 29797.

It is an arithmetic number, because the mean of its divisors is an integer number (36094870).

Almost surely, 2^144322543 is an apocalyptic number.

144322543 is a deficient number, since it is larger than the sum of its proper divisors (56937).

144322543 is an equidigital number, since it uses as much as digits as its factorization.

144322543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56936.

The product of its digits is 11520, while the sum is 28.

The square root of 144322543 is about 12013.4317744764. The cubic root of 144322543 is about 524.5393304391.

Adding to 144322543 its reverse (345223441), we get a palindrome (489545984).

The spelling of 144322543 in words is "one hundred forty-four million, three hundred twenty-two thousand, five hundred forty-three".