34145225 has 24 divisors (see below), whose sum is σ = 45241152. Its totient is φ = 25502400.

The previous prime is 34145207. The next prime is 34145227. The reversal of 34145225 is 52254143.

It is a happy number.

It is not a de Polignac number, because 34145225 - 2¹⁴ = 34128841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34145194 and 34145203.

It is not an unprimeable number, because it can be changed into a prime (34145227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24035 + ... + 25415.

It is an arithmetic number, because the mean of its divisors is an integer number (1885048).

Almost surely, 2^34145225 is an apocalyptic number.

It is an amenable number.

34145225 is a deficient number, since it is larger than the sum of its proper divisors (11095927).

34145225 is a wasteful number, since it uses less digits than its factorization.

34145225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1452 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 34145225 is about 5843.3915665476. The cubic root of 34145225 is about 324.4217726394.

Adding to 34145225 its reverse (52254143), we get a palindrome (86399368).

The spelling of 34145225 in words is "thirty-four million, one hundred forty-five thousand, two hundred twenty-five".