243045502 has 8 divisors (see below), whose sum is σ = 416649456. Its totient is φ = 104162352.

The previous prime is 243045493. The next prime is 243045521. The reversal of 243045502 is 205540342.

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

It is a super-2 number, since 2×243045502² = 118142232084864008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8680183 + ... + 8680210.

It is an arithmetic number, because the mean of its divisors is an integer number (52081182).

Almost surely, 2^243045502 is an apocalyptic number.

243045502 is a deficient number, since it is larger than the sum of its proper divisors (173603954).

243045502 is a wasteful number, since it uses less digits than its factorization.

243045502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17360402.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 243045502 is about 15589.9166771346. The cubic root of 243045502 is about 624.0640942683.

Adding to 243045502 its reverse (205540342), we get a palindrome (448585844).

The spelling of 243045502 in words is "two hundred forty-three million, forty-five thousand, five hundred two".