142542443 has 2 divisors, whose sum is σ = 142542444. Its totient is φ = 142542442.

The previous prime is 142542409. The next prime is 142542473. The reversal of 142542443 is 344245241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142542443 - 2⁸ = 142542187 is a prime.

It is not a weakly prime, because it can be changed into another prime (142542403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71271221 + 71271222.

It is an arithmetic number, because the mean of its divisors is an integer number (71271222).

Almost surely, 2^142542443 is an apocalyptic number.

142542443 is a deficient number, since it is larger than the sum of its proper divisors (1).

142542443 is an equidigital number, since it uses as much as digits as its factorization.

142542443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 29.

The square root of 142542443 is about 11939.1139956029. The cubic root of 142542443 is about 522.3738153655.

Adding to 142542443 its reverse (344245241), we get a palindrome (486787684).

The spelling of 142542443 in words is "one hundred forty-two million, five hundred forty-two thousand, four hundred forty-three".