34145197 has 8 divisors (see below), whose sum is σ = 36836856. Its totient is φ = 31529472.

The previous prime is 34145131. The next prime is 34145207. The reversal of 34145197 is 79154143.

It can be written as a sum of positive squares in 4 ways, for example, as 3164841 + 30980356 = 1779^2 + 5566^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34145197 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 (34145297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18048 + ... + 19849.

It is an arithmetic number, because the mean of its divisors is an integer number (4604607).

Almost surely, 2^34145197 is an apocalyptic number.

It is an amenable number.

34145197 is a deficient number, since it is larger than the sum of its proper divisors (2691659).

34145197 is a wasteful number, since it uses less digits than its factorization.

34145197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37967.

The product of its digits is 15120, while the sum is 34.

The square root of 34145197 is about 5843.3891706783. The cubic root of 34145197 is about 324.4216839612.

The spelling of 34145197 in words is "thirty-four million, one hundred forty-five thousand, one hundred ninety-seven".