42459143 has 2 divisors, whose sum is σ = 42459144. Its totient is φ = 42459142.

The previous prime is 42459133. The next prime is 42459163. The reversal of 42459143 is 34195424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42459143 - 2⁸ = 42458887 is a prime.

It is a super-3 number, since 3×42459143³ (a number of 24 digits) contains 333 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 (42459133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21229571 + 21229572.

It is an arithmetic number, because the mean of its divisors is an integer number (21229572).

Almost surely, 2^42459143 is an apocalyptic number.

42459143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42459143 is an equidigital number, since it uses as much as digits as its factorization.

42459143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 42459143 is about 6516.0680628735. The cubic root of 42459143 is about 348.8647379654.

The spelling of 42459143 in words is "forty-two million, four hundred fifty-nine thousand, one hundred forty-three".