243046942 has 4 divisors (see below), whose sum is σ = 364570416. Its totient is φ = 121523470.

The previous prime is 243046939. The next prime is 243047009. The reversal of 243046942 is 249640342.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 243046898 and 243046907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60761734 + ... + 60761737.

It is an arithmetic number, because the mean of its divisors is an integer number (91142604).

Almost surely, 2^243046942 is an apocalyptic number.

243046942 is a deficient number, since it is larger than the sum of its proper divisors (121523474).

243046942 is a wasteful number, since it uses less digits than its factorization.

243046942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121523473.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 243046942 is about 15589.9628607640. The cubic root of 243046942 is about 624.0653267543.

The spelling of 243046942 in words is "two hundred forty-three million, forty-six thousand, nine hundred forty-two".