243142012143 has 16 divisors (see below), whose sum is σ = 361368633600. Its totient is φ = 161573464440.

The previous prime is 243142012129. The next prime is 243142012153. The reversal of 243142012143 is 341210241342.

243142012143 is a `hidden beast` number, since 2 + 4 + 314 + 201 + 2 + 143 = 666.

It is not a de Polignac number, because 243142012143 - 2⁹ = 243142011631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243142012153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14469513 + ... + 14486306.

It is an arithmetic number, because the mean of its divisors is an integer number (22585539600).

Almost surely, 2^243142012143 is an apocalyptic number.

243142012143 is a deficient number, since it is larger than the sum of its proper divisors (118226621457).

243142012143 is a wasteful number, since it uses less digits than its factorization.

243142012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28956139 (or 28956133 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 243142012143 its reverse (341210241342), we get a palindrome (584352253485).

The spelling of 243142012143 in words is "two hundred forty-three billion, one hundred forty-two million, twelve thousand, one hundred forty-three".