243434542 has 8 divisors (see below), whose sum is σ = 393240456. Its totient is φ = 112354392.

The previous prime is 243434539. The next prime is 243434551. The reversal of 243434542 is 245434342.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4681408 + ... + 4681459.

It is an arithmetic number, because the mean of its divisors is an integer number (49155057).

Almost surely, 2^243434542 is an apocalyptic number.

243434542 is a deficient number, since it is larger than the sum of its proper divisors (149805914).

243434542 is a wasteful number, since it uses less digits than its factorization.

243434542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362882.

The product of its digits is 46080, while the sum is 31.

The square root of 243434542 is about 15602.3889837422. The cubic root of 243434542 is about 624.3968940483.

Adding to 243434542 its reverse (245434342), we get a palindrome (488868884).

The spelling of 243434542 in words is "two hundred forty-three million, four hundred thirty-four thousand, five hundred forty-two".