242543112 has 32 divisors (see below), whose sum is σ = 692980800. Its totient is φ = 69297984.

The previous prime is 242543111. The next prime is 242543141. The reversal of 242543112 is 211345242.

It is a super-2 number, since 2×242543112² = 117654322357289088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (242543111) 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 in 7 ways as a sum of consecutive naturals, for example, 721687 + ... + 722022.

It is an arithmetic number, because the mean of its divisors is an integer number (21655650).

Almost surely, 2^242543112 is an apocalyptic number.

It is an amenable number.

242543112 is an abundant number, since it is smaller than the sum of its proper divisors (450437688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242543112 is a wasteful number, since it uses less digits than its factorization.

242543112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443725 (or 1443721 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 242543112 is about 15573.7956837760. The cubic root of 242543112 is about 623.6338046993.

Adding to 242543112 its reverse (211345242), we get a palindrome (453888354).

The spelling of 242543112 in words is "two hundred forty-two million, five hundred forty-three thousand, one hundred twelve".