34145505 has 12 divisors (see below), whose sum is σ = 59185620. Its totient is φ = 18210912.

The previous prime is 34145491. The next prime is 34145509. The reversal of 34145505 is 50554143.

It can be written as a sum of positive squares in 2 ways, for example, as 13242321 + 20903184 = 3639^2 + 4572^2 .

It is not a de Polignac number, because 34145505 - 2¹¹ = 34143457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34145509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379350 + ... + 379439.

It is an arithmetic number, because the mean of its divisors is an integer number (4932135).

Almost surely, 2^34145505 is an apocalyptic number.

It is an amenable number.

34145505 is a deficient number, since it is larger than the sum of its proper divisors (25040115).

34145505 is a wasteful number, since it uses less digits than its factorization.

34145505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758800 (or 758797 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 34145505 is about 5843.4155251873. The cubic root of 34145505 is about 324.4226594188.

Adding to 34145505 its reverse (50554143), we get a palindrome (84699648).

The spelling of 34145505 in words is "thirty-four million, one hundred forty-five thousand, five hundred five".