243429272 has 16 divisors (see below), whose sum is σ = 459763560. Its totient is φ = 120825664.

The previous prime is 243429271. The next prime is 243429283. The reversal of 243429272 is 272924342.

243429272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243429271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109958 + ... + 112149.

Almost surely, 2^243429272 is an apocalyptic number.

It is an amenable number.

243429272 is a deficient number, since it is larger than the sum of its proper divisors (216334288).

243429272 is a wasteful number, since it uses less digits than its factorization.

243429272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222250 (or 222246 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 243429272 is about 15602.2200984347. The cubic root of 243429272 is about 624.3923882575.

The spelling of 243429272 in words is "two hundred forty-three million, four hundred twenty-nine thousand, two hundred seventy-two".