542231143 has 2 divisors, whose sum is σ = 542231144. Its totient is φ = 542231142.

The previous prime is 542231117. The next prime is 542231149. The reversal of 542231143 is 341132245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542231143 - 2²⁹ = 5360231 is a prime.

It is a super-2 number, since 2×542231143² = 588029224878172898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542231149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271115571 + 271115572.

It is an arithmetic number, because the mean of its divisors is an integer number (271115572).

Almost surely, 2^542231143 is an apocalyptic number.

542231143 is a deficient number, since it is larger than the sum of its proper divisors (1).

542231143 is an equidigital number, since it uses as much as digits as its factorization.

542231143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 542231143 is about 23285.8571454864. The cubic root of 542231143 is about 815.4452723840.

Adding to 542231143 its reverse (341132245), we get a palindrome (883363388).

The spelling of 542231143 in words is "five hundred forty-two million, two hundred thirty-one thousand, one hundred forty-three".