2142433305 has 24 divisors (see below), whose sum is σ = 3714881352. Its totient is φ = 1142221824.

The previous prime is 2142433291. The next prime is 2142433309. The reversal of 2142433305 is 5033342412.

It can be written as a sum of positive squares in 4 ways, for example, as 1373369481 + 769063824 = 37059^2 + 27732^2 .

It is not a de Polignac number, because 2142433305 - 2¹² = 2142429209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142433309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151497 + ... + 165033.

It is an arithmetic number, because the mean of its divisors is an integer number (154786723).

Almost surely, 2^2142433305 is an apocalyptic number.

It is an amenable number.

2142433305 is a deficient number, since it is larger than the sum of its proper divisors (1572448047).

2142433305 is a wasteful number, since it uses less digits than its factorization.

2142433305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17065 (or 17062 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2142433305 is about 46286.4267901509. The cubic root of 2142433305 is about 1289.1469842898.

Adding to 2142433305 its reverse (5033342412), we get a palindrome (7175775717).

The spelling of 2142433305 in words is "two billion, one hundred forty-two million, four hundred thirty-three thousand, three hundred five".