144220343 has 2 divisors, whose sum is σ = 144220344. Its totient is φ = 144220342.

The previous prime is 144220337. The next prime is 144220361. The reversal of 144220343 is 343022441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144220343 - 2¹⁶ = 144154807 is a prime.

It is equal to p_8137202 and since 144220343 and 8137202 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144220303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72110171 + 72110172.

It is an arithmetic number, because the mean of its divisors is an integer number (72110172).

Almost surely, 2^144220343 is an apocalyptic number.

144220343 is a deficient number, since it is larger than the sum of its proper divisors (1).

144220343 is an equidigital number, since it uses as much as digits as its factorization.

144220343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 144220343 is about 12009.1774489346. The cubic root of 144220343 is about 524.4154861264.

Adding to 144220343 its reverse (343022441), we get a palindrome (487242784).

The spelling of 144220343 in words is "one hundred forty-four million, two hundred twenty thousand, three hundred forty-three".