242232345 has 24 divisors (see below), whose sum is σ = 421406856. Its totient is φ = 128717568.

The previous prime is 242232301. The next prime is 242232379. The reversal of 242232345 is 543232242.

It is a happy number.

242232345 is a `hidden beast` number, since 2 + 422 + 3 + 234 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2509056 + 239723289 = 1584^2 + 15483^2 .

It is not a de Polignac number, because 242232345 - 2²² = 238038041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2749 + ... + 22181.

It is an arithmetic number, because the mean of its divisors is an integer number (17558619).

Almost surely, 2^242232345 is an apocalyptic number.

It is an amenable number.

242232345 is a deficient number, since it is larger than the sum of its proper divisors (179174511).

242232345 is a wasteful number, since it uses less digits than its factorization.

242232345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19721 (or 19718 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 242232345 is about 15563.8152456266. The cubic root of 242232345 is about 623.3673398537.

Adding to 242232345 its reverse (543232242), we get a palindrome (785464587).

The spelling of 242232345 in words is "two hundred forty-two million, two hundred thirty-two thousand, three hundred forty-five".