243729148 has 12 divisors (see below), whose sum is σ = 459335800. Its totient is φ = 112490352.

The previous prime is 243729127. The next prime is 243729149. The reversal of 243729148 is 841927342.

243729148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243729148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243729149) 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, 2343498 + ... + 2343601.

Almost surely, 2^243729148 is an apocalyptic number.

It is an amenable number.

243729148 is a deficient number, since it is larger than the sum of its proper divisors (215606652).

243729148 is a wasteful number, since it uses less digits than its factorization.

243729148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687116 (or 4687114 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 243729148 is about 15611.8271832608. The cubic root of 243729148 is about 624.6486755108.

The spelling of 243729148 in words is "two hundred forty-three million, seven hundred twenty-nine thousand, one hundred forty-eight".