34145243 has 4 divisors (see below), whose sum is σ = 37249368. Its totient is φ = 31041120.

The previous prime is 34145233. The next prime is 34145257. The reversal of 34145243 is 34254143.

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

It is not a de Polignac number, because 34145243 - 2⁴ = 34145227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34145233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552046 + ... + 1552067.

It is an arithmetic number, because the mean of its divisors is an integer number (9312342).

Almost surely, 2^34145243 is an apocalyptic number.

34145243 is a deficient number, since it is larger than the sum of its proper divisors (3104125).

34145243 is a wasteful number, since it uses less digits than its factorization.

34145243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104124.

The product of its digits is 5760, while the sum is 26.

The square root of 34145243 is about 5843.3931067489. The cubic root of 34145243 is about 324.4218296468.

Adding to 34145243 its reverse (34254143), we get a palindrome (68399386).

Subtracting 34145243 from its reverse (34254143), we obtain a square (108900 = 330²).

The spelling of 34145243 in words is "thirty-four million, one hundred forty-five thousand, two hundred forty-three".