34290143 has 4 divisors (see below), whose sum is σ = 34308288. Its totient is φ = 34272000.

The previous prime is 34290121. The next prime is 34290161. The reversal of 34290143 is 34109243.

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 34290143 - 2²⁰ = 33241567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34290103) 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, 5858 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (8577072).

Almost surely, 2^34290143 is an apocalyptic number.

34290143 is a deficient number, since it is larger than the sum of its proper divisors (18145).

34290143 is a wasteful number, since it uses less digits than its factorization.

34290143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18144.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 34290143 is about 5855.7785989568. The cubic root of 34290143 is about 324.8800914655.

Adding to 34290143 its reverse (34109243), we get a palindrome (68399386).

The spelling of 34290143 in words is "thirty-four million, two hundred ninety thousand, one hundred forty-three".