142334441 has 2 divisors, whose sum is σ = 142334442. Its totient is φ = 142334440.

The previous prime is 142334399. The next prime is 142334443. The reversal of 142334441 is 144433241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121440400 + 20894041 = 11020^2 + 4571^2 .

It is a cyclic number.

It is not a de Polignac number, because 142334441 - 2¹⁰ = 142333417 is a prime.

Together with 142334443, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142334441.

It is not a weakly prime, because it can be changed into another prime (142334443) 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 as a sum of consecutive naturals, namely, 71167220 + 71167221.

It is an arithmetic number, because the mean of its divisors is an integer number (71167221).

Almost surely, 2^142334441 is an apocalyptic number.

It is an amenable number.

142334441 is a deficient number, since it is larger than the sum of its proper divisors (1).

142334441 is an equidigital number, since it uses as much as digits as its factorization.

142334441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 142334441 is about 11930.3998675652. The cubic root of 142334441 is about 522.1196040825.

Adding to 142334441 its reverse (144433241), we get a palindrome (286767682).

The spelling of 142334441 in words is "one hundred forty-two million, three hundred thirty-four thousand, four hundred forty-one".