242132143 has 16 divisors (see below), whose sum is σ = 283305600. Its totient is φ = 204590880.

The previous prime is 242132129. The next prime is 242132153. The reversal of 242132143 is 341231242.

It is a cyclic number.

It is not a de Polignac number, because 242132143 - 2¹³ = 242123951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242132123) 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 in 15 ways as a sum of consecutive naturals, for example, 148 + ... + 22006.

It is an arithmetic number, because the mean of its divisors is an integer number (17706600).

Almost surely, 2^242132143 is an apocalyptic number.

242132143 is a deficient number, since it is larger than the sum of its proper divisors (41173457).

242132143 is a wasteful number, since it uses less digits than its factorization.

242132143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21942.

The product of its digits is 1152, while the sum is 22.

The square root of 242132143 is about 15560.5958433474. The cubic root of 242132143 is about 623.2813738102.

Adding to 242132143 its reverse (341231242), we get a palindrome (583363385).

Subtracting 242132143 from its reverse (341231242), we obtain a palindrome (99099099).

The spelling of 242132143 in words is "two hundred forty-two million, one hundred thirty-two thousand, one hundred forty-three".