243255772 has 6 divisors (see below), whose sum is σ = 425697608. Its totient is φ = 121627884.

The previous prime is 243255769. The next prime is 243255787. The reversal of 243255772 is 277552342.

243255772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243255772² = 118346741222631968, 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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30406968 + ... + 30406975.

Almost surely, 2^243255772 is an apocalyptic number.

It is an amenable number.

243255772 is a deficient number, since it is larger than the sum of its proper divisors (182441836).

243255772 is a wasteful number, since it uses less digits than its factorization.

243255772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60813947 (or 60813945 counting only the distinct ones).

The product of its digits is 117600, while the sum is 37.

The square root of 243255772 is about 15596.6590012092. The cubic root of 243255772 is about 624.2440113786.

The spelling of 243255772 in words is "two hundred forty-three million, two hundred fifty-five thousand, seven hundred seventy-two".