34005445 has 4 divisors (see below), whose sum is σ = 40806540. Its totient is φ = 27204352.

The previous prime is 34005443. The next prime is 34005451. The reversal of 34005445 is 54450043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21846276 + 12159169 = 4674^2 + 3487^2 .

It is a cyclic number.

It is not a de Polignac number, because 34005445 - 2¹ = 34005443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34005443) 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, 3400540 + ... + 3400549.

It is an arithmetic number, because the mean of its divisors is an integer number (10201635).

Almost surely, 2^34005445 is an apocalyptic number.

It is an amenable number.

34005445 is a deficient number, since it is larger than the sum of its proper divisors (6801095).

34005445 is an equidigital number, since it uses as much as digits as its factorization.

34005445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801094.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 34005445 is about 5831.4187810515. The cubic root of 34005445 is about 323.9784730147.

Adding to 34005445 its reverse (54450043), we get a palindrome (88455488).

The spelling of 34005445 in words is "thirty-four million, five thousand, four hundred forty-five".