34445155 has 4 divisors (see below), whose sum is σ = 41334192. Its totient is φ = 27556120.

The previous prime is 34445129. The next prime is 34445167. The reversal of 34445155 is 55154443.

It is a happy number.

34445155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55154443 = 17 ⋅3244379.

It is not a de Polignac number, because 34445155 - 2¹¹ = 34443107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3444511 + ... + 3444520.

It is an arithmetic number, because the mean of its divisors is an integer number (10333548).

Almost surely, 2^34445155 is an apocalyptic number.

34445155 is a deficient number, since it is larger than the sum of its proper divisors (6889037).

34445155 is an equidigital number, since it uses as much as digits as its factorization.

34445155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889036.

The product of its digits is 24000, while the sum is 31.

The square root of 34445155 is about 5868.9994888396. Note that the first 3 decimals coincide. The cubic root of 34445155 is about 325.3689065406.

Adding to 34445155 its reverse (55154443), we get a palindrome (89599598).

The spelling of 34445155 in words is "thirty-four million, four hundred forty-five thousand, one hundred fifty-five".