243145402032 has 80 divisors (see below), whose sum is σ = 699768649440. Its totient is φ = 72234172416.

The previous prime is 243145402007. The next prime is 243145402063. The reversal of 243145402032 is 230204541342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6700113 + ... + 6736304.

It is an arithmetic number, because the mean of its divisors is an integer number (8747108118).

Almost surely, 2^243145402032 is an apocalyptic number.

It is an amenable number.

243145402032 is an abundant number, since it is smaller than the sum of its proper divisors (456623247408).

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

243145402032 is a wasteful number, since it uses less digits than its factorization.

243145402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436470 (or 13436464 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 243145402032 its reverse (230204541342), we get a palindrome (473349943374).

The spelling of 243145402032 in words is "two hundred forty-three billion, one hundred forty-five million, four hundred two thousand, thirty-two".