243200450 has 12 divisors (see below), whose sum is σ = 452352930. Its totient is φ = 97280160.

The previous prime is 243200443. The next prime is 243200497. The reversal of 243200450 is 54002342.

It can be written as a sum of positive squares in 3 ways, for example, as 102232321 + 140968129 = 10111^2 + 11873^2 .

It is a super-3 number, since 3×243200450³ (a number of 26 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 2431955 + ... + 2432054.

Almost surely, 2^243200450 is an apocalyptic number.

243200450 is a deficient number, since it is larger than the sum of its proper divisors (209152480).

243200450 is a wasteful number, since it uses less digits than its factorization.

243200450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864021 (or 4864016 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 243200450 is about 15594.8853795082. The cubic root of 243200450 is about 624.1966852724.

Adding to 243200450 its reverse (54002342), we get a palindrome (297202792).

The spelling of 243200450 in words is "two hundred forty-three million, two hundred thousand, four hundred fifty".