243552105 has 12 divisors (see below), whose sum is σ = 422157060. Its totient is φ = 129894432.

The previous prime is 243552079. The next prime is 243552137. The reversal of 243552105 is 501255342.

It is a happy number.

243552105 is a `hidden beast` number, since 2 + 4 + 3 + 552 + 105 = 666.

243552105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68757264 + 174794841 = 8292^2 + 13221^2 .

It is not a de Polignac number, because 243552105 - 2⁶ = 243552041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2706090 + ... + 2706179.

It is an arithmetic number, because the mean of its divisors is an integer number (35179755).

Almost surely, 2^243552105 is an apocalyptic number.

It is an amenable number.

243552105 is a deficient number, since it is larger than the sum of its proper divisors (178604955).

243552105 is a wasteful number, since it uses less digits than its factorization.

243552105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5412280 (or 5412277 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 243552105 is about 15606.1559969135. The cubic root of 243552105 is about 624.4973921916.

The spelling of 243552105 in words is "two hundred forty-three million, five hundred fifty-two thousand, one hundred five".