142016243 has 2 divisors, whose sum is σ = 142016244. Its totient is φ = 142016242.

The previous prime is 142016207. The next prime is 142016257. The reversal of 142016243 is 342610241.

It is a strong prime.

It is an emirp because it is prime and its reverse (342610241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142016243 - 2⁶ = 142016179 is a prime.

It is a super-2 number, since 2×142016243² = 40337226551670098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142016443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71008121 + 71008122.

It is an arithmetic number, because the mean of its divisors is an integer number (71008122).

Almost surely, 2^142016243 is an apocalyptic number.

142016243 is a deficient number, since it is larger than the sum of its proper divisors (1).

142016243 is an equidigital number, since it uses as much as digits as its factorization.

142016243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 142016243 is about 11917.0568094643. The cubic root of 142016243 is about 521.7302362193.

Adding to 142016243 its reverse (342610241), we get a palindrome (484626484).

The spelling of 142016243 in words is "one hundred forty-two million, sixteen thousand, two hundred forty-three".