243332046 has 16 divisors (see below), whose sum is σ = 540738000. Its totient is φ = 81110664.

The previous prime is 243332027. The next prime is 243332057. The reversal of 243332046 is 640233342.

It is a happy number.

It is a super-2 number, since 2×243332046² = 118420969221092232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253021 + ... + 2253128.

It is an arithmetic number, because the mean of its divisors is an integer number (33796125).

Almost surely, 2^243332046 is an apocalyptic number.

243332046 is an abundant number, since it is smaller than the sum of its proper divisors (297405954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243332046 is a wasteful number, since it uses less digits than its factorization.

243332046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506160 (or 4506154 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 243332046 is about 15599.1040127310. The cubic root of 243332046 is about 624.3092494498.

Adding to 243332046 its reverse (640233342), we get a palindrome (883565388).

The spelling of 243332046 in words is "two hundred forty-three million, three hundred thirty-two thousand, forty-six".