243505342 has 8 divisors (see below), whose sum is σ = 365459256. Its totient is φ = 121685592.

The previous prime is 243505337. The next prime is 243505421.

243505342 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 243505342.

It is a congruent number.

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, 28873 + ... + 36340.

It is an arithmetic number, because the mean of its divisors is an integer number (45682407).

Almost surely, 2^243505342 is an apocalyptic number.

243505342 is a deficient number, since it is larger than the sum of its proper divisors (121953914).

243505342 is a wasteful number, since it uses less digits than its factorization.

243505342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67082.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 243505342 is about 15604.6577021093. The cubic root of 243505342 is about 624.4574209491.

It can be divided in two parts, 24350 and 5342, that added together give a palindrome (29692).

The spelling of 243505342 in words is "two hundred forty-three million, five hundred five thousand, three hundred forty-two".