234143345 has 8 divisors (see below), whose sum is σ = 283459176. Its totient is φ = 185656576.

The previous prime is 234143317. The next prime is 234143369. The reversal of 234143345 is 543341432.

It can be written as a sum of positive squares in 4 ways, for example, as 18905104 + 215238241 = 4348^2 + 14671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234143345 - 2⁸ = 234143089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206642 + ... + 207771.

It is an arithmetic number, because the mean of its divisors is an integer number (35432397).

Almost surely, 2^234143345 is an apocalyptic number.

It is an amenable number.

234143345 is a deficient number, since it is larger than the sum of its proper divisors (49315831).

234143345 is a wasteful number, since it uses less digits than its factorization.

234143345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414531.

The product of its digits is 17280, while the sum is 29.

The square root of 234143345 is about 15301.7432013480. The cubic root of 234143345 is about 616.3498190490.

Adding to 234143345 its reverse (543341432), we get a palindrome (777484777).

The spelling of 234143345 in words is "two hundred thirty-four million, one hundred forty-three thousand, three hundred forty-five".