243225075 has 48 divisors (see below), whose sum is σ = 413168000. Its totient is φ = 126213120.

The previous prime is 243225053. The next prime is 243225077. The reversal of 243225075 is 570522342.

It is not a de Polignac number, because 243225075 - 2⁵ = 243225043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243225077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487176 + ... + 487674.

Almost surely, 2^243225075 is an apocalyptic number.

243225075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243225075 is a deficient number, since it is larger than the sum of its proper divisors (169942925).

243225075 is a wasteful number, since it uses less digits than its factorization.

243225075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 243225075 is about 15595.6748811970. The cubic root of 243225075 is about 624.2177520161.

The spelling of 243225075 in words is "two hundred forty-three million, two hundred twenty-five thousand, seventy-five".