243115146164 has 36 divisors (see below), whose sum is σ = 474051208932. Its totient is φ = 108993075840.

The previous prime is 243115146163. The next prime is 243115146191. The reversal of 243115146164 is 461641511342.

It can be written as a sum of positive squares in 2 ways, for example, as 206388490000 + 36726656164 = 454300^2 + 191642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243115146163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3405107 + ... + 3475770.

It is an arithmetic number, because the mean of its divisors is an integer number (13168089137).

Almost surely, 2^243115146164 is an apocalyptic number.

It is an amenable number.

243115146164 is a deficient number, since it is larger than the sum of its proper divisors (230936062768).

243115146164 is a wasteful number, since it uses less digits than its factorization.

243115146164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880976 (or 6880963 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The spelling of 243115146164 in words is "two hundred forty-three billion, one hundred fifteen million, one hundred forty-six thousand, one hundred sixty-four".