242143243 has 12 divisors (see below), whose sum is σ = 251719000. Its totient is φ = 232920576.

The previous prime is 242143219. The next prime is 242143259. The reversal of 242143243 is 342341242.

It is a happy number.

242143243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242143243 - 2⁵ = 242143211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242143843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419371 + ... + 419947.

Almost surely, 2^242143243 is an apocalyptic number.

242143243 is a deficient number, since it is larger than the sum of its proper divisors (9575757).

242143243 is an equidigital number, since it uses as much as digits as its factorization.

242143243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1105 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 242143243 is about 15560.9525094064. The cubic root of 242143243 is about 623.2908979725.

Adding to 242143243 its reverse (342341242), we get a palindrome (584484485).

The spelling of 242143243 in words is "two hundred forty-two million, one hundred forty-three thousand, two hundred forty-three".