34145644 has 24 divisors (see below), whose sum is σ = 66573360. Its totient is φ = 15215424.

The previous prime is 34145627. The next prime is 34145647. The reversal of 34145644 is 44654143.

It is not an unprimeable number, because it can be changed into a prime (34145647) 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, 9814 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (2773890).

Almost surely, 2^34145644 is an apocalyptic number.

It is an amenable number.

34145644 is a deficient number, since it is larger than the sum of its proper divisors (32427716).

34145644 is a wasteful number, since it uses less digits than its factorization.

34145644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22689 (or 22687 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 34145644 is about 5843.4274189041. The cubic root of 34145644 is about 324.4230996397.

Adding to 34145644 its reverse (44654143), we get a palindrome (78799787).

The spelling of 34145644 in words is "thirty-four million, one hundred forty-five thousand, six hundred forty-four".