243202042 has 8 divisors (see below), whose sum is σ = 364870656. Its totient is φ = 121578492.

The previous prime is 243202039. The next prime is 243202081. The reversal of 243202042 is 240202342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11143 + ... + 24709.

It is an arithmetic number, because the mean of its divisors is an integer number (45608832).

Almost surely, 2^243202042 is an apocalyptic number.

243202042 is a deficient number, since it is larger than the sum of its proper divisors (121668614).

243202042 is a wasteful number, since it uses less digits than its factorization.

243202042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22532.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 243202042 is about 15594.9364218005. The cubic root of 243202042 is about 624.1980472750.

Adding to 243202042 its reverse (240202342), we get a palindrome (483404384).

It can be divided in two parts, 24320 and 2042, that added together give a palindrome (26362).

The spelling of 243202042 in words is "two hundred forty-three million, two hundred two thousand, forty-two".