243134132145 has 16 divisors (see below), whose sum is σ = 395391901632. Its totient is φ = 127545773760.

The previous prime is 243134132117. The next prime is 243134132167. The reversal of 243134132145 is 541231431342.

It is not a de Polignac number, because 243134132145 - 2¹⁷ = 243134001073 is a prime.

It is a super-2 number, since 2×243134132145² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132859267 + ... + 132861096.

It is an arithmetic number, because the mean of its divisors is an integer number (24711993852).

Almost surely, 2^243134132145 is an apocalyptic number.

It is an amenable number.

243134132145 is a deficient number, since it is larger than the sum of its proper divisors (152257769487).

243134132145 is a wasteful number, since it uses less digits than its factorization.

243134132145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265720432.

The product of its digits is 34560, while the sum is 33.

Adding to 243134132145 its reverse (541231431342), we get a palindrome (784365563487).

The spelling of 243134132145 in words is "two hundred forty-three billion, one hundred thirty-four million, one hundred thirty-two thousand, one hundred forty-five".