144330437 has 2 divisors, whose sum is σ = 144330438. Its totient is φ = 144330436.

The previous prime is 144330413. The next prime is 144330463. The reversal of 144330437 is 734033441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108701476 + 35628961 = 10426^2 + 5969^2 .

It is a cyclic number.

It is not a de Polignac number, because 144330437 - 2¹⁰ = 144329413 is a prime.

It is a super-2 number, since 2×144330437² = 41662550089221938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144330337) 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, 72165218 + 72165219.

It is an arithmetic number, because the mean of its divisors is an integer number (72165219).

Almost surely, 2^144330437 is an apocalyptic number.

It is an amenable number.

144330437 is a deficient number, since it is larger than the sum of its proper divisors (1).

144330437 is an equidigital number, since it uses as much as digits as its factorization.

144330437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 144330437 is about 12013.7603189010. The cubic root of 144330437 is about 524.5488938284.

Adding to 144330437 its reverse (734033441), we get a palindrome (878363878).

The spelling of 144330437 in words is "one hundred forty-four million, three hundred thirty thousand, four hundred thirty-seven".