242143246 has 4 divisors (see below), whose sum is σ = 363214872. Its totient is φ = 121071622.

The previous prime is 242143219. The next prime is 242143259. The reversal of 242143246 is 642341242.

242143246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60535810 + ... + 60535813.

It is an arithmetic number, because the mean of its divisors is an integer number (90803718).

Almost surely, 2^242143246 is an apocalyptic number.

242143246 is a deficient number, since it is larger than the sum of its proper divisors (121071626).

242143246 is a wasteful number, since it uses less digits than its factorization.

242143246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121071625.

The product of its digits is 9216, while the sum is 28.

The square root of 242143246 is about 15560.9526058015. The cubic root of 242143246 is about 623.2909005466.

Adding to 242143246 its reverse (642341242), we get a palindrome (884484488).

The spelling of 242143246 in words is "two hundred forty-two million, one hundred forty-three thousand, two hundred forty-six".