34002143 has 4 divisors (see below), whose sum is σ = 38859600. Its totient is φ = 29144688.

The previous prime is 34002109. The next prime is 34002151. The reversal of 34002143 is 34120043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34002143 - 2¹⁸ = 33739999 is a prime.

It is a super-2 number, since 2×34002143² = 2312291457184898, 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 (34002643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2428718 + ... + 2428731.

It is an arithmetic number, because the mean of its divisors is an integer number (9714900).

Almost surely, 2^34002143 is an apocalyptic number.

34002143 is a deficient number, since it is larger than the sum of its proper divisors (4857457).

34002143 is an equidigital number, since it uses as much as digits as its factorization.

34002143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857456.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34002143 is about 5831.1356526838. The cubic root of 34002143 is about 323.9679863456.

Adding to 34002143 its reverse (34120043), we get a palindrome (68122186).

The spelling of 34002143 in words is "thirty-four million, two thousand, one hundred forty-three".