243405322152 has 64 divisors (see below), whose sum is σ = 618177691200. Its totient is φ = 79848806400.

The previous prime is 243405322117. The next prime is 243405322183. The reversal of 243405322152 is 251223504342.

243405322152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243405322152² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648152 + ... + 1789752.

It is an arithmetic number, because the mean of its divisors is an integer number (9659026425).

Almost surely, 2^243405322152 is an apocalyptic number.

It is an amenable number.

243405322152 is an abundant number, since it is smaller than the sum of its proper divisors (374772369048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243405322152 is a wasteful number, since it uses less digits than its factorization.

243405322152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142746 (or 142742 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 243405322152 its reverse (251223504342), we get a palindrome (494628826494).

The spelling of 243405322152 in words is "two hundred forty-three billion, four hundred five million, three hundred twenty-two thousand, one hundred fifty-two".