242812143 has 24 divisors (see below), whose sum is σ = 401495328. Its totient is φ = 138520512.

The previous prime is 242812123. The next prime is 242812169. The reversal of 242812143 is 341218242.

It is not a de Polignac number, because 242812143 - 2⁹ = 242811631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242812103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39805 + ... + 45497.

It is an arithmetic number, because the mean of its divisors is an integer number (16728972).

Almost surely, 2^242812143 is an apocalyptic number.

242812143 is a deficient number, since it is larger than the sum of its proper divisors (158683185).

242812143 is a wasteful number, since it uses less digits than its factorization.

242812143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383 (or 6380 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 242812143 is about 15582.4305870426. The cubic root of 242812143 is about 623.8642995719.

The spelling of 242812143 in words is "two hundred forty-two million, eight hundred twelve thousand, one hundred forty-three".