144342437 has 2 divisors, whose sum is σ = 144342438. Its totient is φ = 144342436.

The previous prime is 144342403. The next prime is 144342467. The reversal of 144342437 is 734243441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144336196 + 6241 = 12014^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 144342437 - 2¹⁰ = 144341413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144342467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72171218 + 72171219.

It is an arithmetic number, because the mean of its divisors is an integer number (72171219).

Almost surely, 2^144342437 is an apocalyptic number.

It is an amenable number.

144342437 is a deficient number, since it is larger than the sum of its proper divisors (1).

144342437 is an equidigital number, since it uses as much as digits as its factorization.

144342437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 32.

The square root of 144342437 is about 12014.2597358306. The cubic root of 144342437 is about 524.5634308691.

Adding to 144342437 its reverse (734243441), we get a palindrome (878585878).

The spelling of 144342437 in words is "one hundred forty-four million, three hundred forty-two thousand, four hundred thirty-seven".