142066543 has 2 divisors, whose sum is σ = 142066544. Its totient is φ = 142066542.

The previous prime is 142066531. The next prime is 142066549. The reversal of 142066543 is 345660241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142066543 - 2²⁵ = 108512111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142066549) 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, 71033271 + 71033272.

It is an arithmetic number, because the mean of its divisors is an integer number (71033272).

Almost surely, 2^142066543 is an apocalyptic number.

142066543 is a deficient number, since it is larger than the sum of its proper divisors (1).

142066543 is an equidigital number, since it uses as much as digits as its factorization.

142066543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 142066543 is about 11919.1670430446. The cubic root of 142066543 is about 521.7918252616.

The spelling of 142066543 in words is "one hundred forty-two million, sixty-six thousand, five hundred forty-three".