243506152 has 32 divisors (see below), whose sum is σ = 481178880. Its totient is φ = 115297600.

The previous prime is 243506149. The next prime is 243506167. The reversal of 243506152 is 251605342.

It is a self number, because there is not a number n which added to its sum of digits gives 243506152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12033 + ... + 25135.

It is an arithmetic number, because the mean of its divisors is an integer number (15036840).

Almost surely, 2^243506152 is an apocalyptic number.

It is an amenable number.

243506152 is a deficient number, since it is larger than the sum of its proper divisors (237672728).

243506152 is a wasteful number, since it uses less digits than its factorization.

243506152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13233 (or 13229 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 243506152 is about 15604.6836558772. The cubic root of 243506152 is about 624.4581133500.

The spelling of 243506152 in words is "two hundred forty-three million, five hundred six thousand, one hundred fifty-two".