242133143 has 16 divisors (see below), whose sum is σ = 290264064. Its totient is φ = 197627040.

The previous prime is 242133137. The next prime is 242133163. The reversal of 242133143 is 341331242.

It is a cyclic number.

It is not a de Polignac number, because 242133143 - 2⁴ = 242133127 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 (242133163) 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, 2228 + ... + 22118.

It is an arithmetic number, because the mean of its divisors is an integer number (18141504).

Almost surely, 2^242133143 is an apocalyptic number.

242133143 is a deficient number, since it is larger than the sum of its proper divisors (48130921).

242133143 is a wasteful number, since it uses less digits than its factorization.

242133143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19982.

The product of its digits is 1728, while the sum is 23.

The square root of 242133143 is about 15560.6279757598. The cubic root of 242133143 is about 623.2822318548.

Adding to 242133143 its reverse (341331242), we get a palindrome (583464385).

The spelling of 242133143 in words is "two hundred forty-two million, one hundred thirty-three thousand, one hundred forty-three".