243141133 has 16 divisors (see below), whose sum is σ = 256608000. Its totient is φ = 230056960.

The previous prime is 243141127. The next prime is 243141167. The reversal of 243141133 is 331141342.

243141133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243141133 is a prime.

It is a super-2 number, since 2×243141133² = 118235221113047378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243141433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541293 + ... + 541741.

It is an arithmetic number, because the mean of its divisors is an integer number (16038000).

Almost surely, 2^243141133 is an apocalyptic number.

It is an amenable number.

243141133 is a deficient number, since it is larger than the sum of its proper divisors (13466867).

243141133 is a wasteful number, since it uses less digits than its factorization.

243141133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its digits is 864, while the sum is 22.

The square root of 243141133 is about 15592.9834541052. The cubic root of 243141133 is about 624.1459336046.

Adding to 243141133 its reverse (331141342), we get a palindrome (574282475).

It can be divided in two parts, 243 and 141133, that added together give a square (141376 = 376²).

The spelling of 243141133 in words is "two hundred forty-three million, one hundred forty-one thousand, one hundred thirty-three".