243004642 has 8 divisors (see below), whose sum is σ = 383691600. Its totient is φ = 115107444.

The previous prime is 243004639. The next prime is 243004649. The reversal of 243004642 is 246400342.

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

It is not an unprimeable number, because it can be changed into a prime (243004649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197392 + ... + 3197467.

It is an arithmetic number, because the mean of its divisors is an integer number (47961450).

Almost surely, 2^243004642 is an apocalyptic number.

243004642 is a deficient number, since it is larger than the sum of its proper divisors (140686958).

243004642 is a wasteful number, since it uses less digits than its factorization.

243004642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394880.

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

The square root of 243004642 is about 15588.6061596283. The cubic root of 243004642 is about 624.0291204496.

Adding to 243004642 its reverse (246400342), we get a palindrome (489404984).

The spelling of 243004642 in words is "two hundred forty-three million, four thousand, six hundred forty-two".