243550430 has 16 divisors (see below), whose sum is σ = 445578624. Its totient is φ = 95822880.

The previous prime is 243550429. The next prime is 243550451. The reversal of 243550430 is 34055342.

It is a super-3 number, since 3×243550430³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243550430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199022 + ... + 200241.

It is an arithmetic number, because the mean of its divisors is an integer number (27848664).

Almost surely, 2^243550430 is an apocalyptic number.

243550430 is a deficient number, since it is larger than the sum of its proper divisors (202028194).

243550430 is a wasteful number, since it uses less digits than its factorization.

243550430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399331.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 243550430 is about 15606.1023321007. The cubic root of 243550430 is about 624.4959605534.

The spelling of 243550430 in words is "two hundred forty-three million, five hundred fifty thousand, four hundred thirty".