243141165 has 48 divisors (see below), whose sum is σ = 441687168. Its totient is φ = 123497088.

The previous prime is 243141127. The next prime is 243141167. The reversal of 243141165 is 561141342.

It is a happy number.

243141165 is a `hidden beast` number, since 243 + 1 + 411 + 6 + 5 = 666.

It is not a de Polignac number, because 243141165 - 2¹⁰ = 243140141 is a prime.

It is a super-2 number, since 2×243141165² = 118235252235114450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243141167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358807 + ... + 359483.

It is an arithmetic number, because the mean of its divisors is an integer number (9201816).

Almost surely, 2^243141165 is an apocalyptic number.

It is an amenable number.

243141165 is a deficient number, since it is larger than the sum of its proper divisors (198546003).

243141165 is a wasteful number, since it uses less digits than its factorization.

243141165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1055 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 243141165 is about 15592.9844802078. The cubic root of 243141165 is about 624.1459609860.

The spelling of 243141165 in words is "two hundred forty-three million, one hundred forty-one thousand, one hundred sixty-five".