243702542 has 8 divisors (see below), whose sum is σ = 365754000. Its totient is φ = 121784544.

The previous prime is 243702541. The next prime is 243702577. The reversal of 243702542 is 245207342.

243702542 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243702541) 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, 28667 + ... + 36182.

It is an arithmetic number, because the mean of its divisors is an integer number (45719250).

Almost surely, 2^243702542 is an apocalyptic number.

243702542 is a deficient number, since it is larger than the sum of its proper divisors (122051458).

243702542 is a wasteful number, since it uses less digits than its factorization.

243702542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66730.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 243702542 is about 15610.9750496245. The cubic root of 243702542 is about 624.6259453510.

Adding to 243702542 its reverse (245207342), we get a palindrome (488909884).

The spelling of 243702542 in words is "two hundred forty-three million, seven hundred two thousand, five hundred forty-two".