144820843 has 2 divisors, whose sum is σ = 144820844. Its totient is φ = 144820842.

The previous prime is 144820813. The next prime is 144820847. The reversal of 144820843 is 348028441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (348028441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144820843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144820799 and 144820808.

It is not a weakly prime, because it can be changed into another prime (144820847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72410421 + 72410422.

It is an arithmetic number, because the mean of its divisors is an integer number (72410422).

Almost surely, 2^144820843 is an apocalyptic number.

144820843 is a deficient number, since it is larger than the sum of its proper divisors (1).

144820843 is an equidigital number, since it uses as much as digits as its factorization.

144820843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 144820843 is about 12034.1531899839. The cubic root of 144820843 is about 525.1423263404.

The spelling of 144820843 in words is "one hundred forty-four million, eight hundred twenty thousand, eight hundred forty-three".