243164159 has 32 divisors (see below), whose sum is σ = 297198720. Its totient is φ = 194568192.

The previous prime is 243164149. The next prime is 243164167. The reversal of 243164159 is 951461342.

It is a de Polignac number, because none of the positive numbers 2^k-243164159 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243164149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043507 + ... + 1043739.

It is an arithmetic number, because the mean of its divisors is an integer number (9287460).

Almost surely, 2^243164159 is an apocalyptic number.

243164159 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

243164159 is a deficient number, since it is larger than the sum of its proper divisors (54034561).

243164159 is a wasteful number, since it uses less digits than its factorization.

243164159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 25920, while the sum is 35.

The square root of 243164159 is about 15593.7217815376. The cubic root of 243164159 is about 624.1656356468.

The spelling of 243164159 in words is "two hundred forty-three million, one hundred sixty-four thousand, one hundred fifty-nine".