344145345 has 8 divisors (see below), whose sum is σ = 550632576. Its totient is φ = 183544176.

The previous prime is 344145341. The next prime is 344145367. The reversal of 344145345 is 543541443.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 344145345 - 2² = 344145341 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (344145341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11471497 + ... + 11471526.

It is an arithmetic number, because the mean of its divisors is an integer number (68829072).

Almost surely, 2^344145345 is an apocalyptic number.

It is an amenable number.

344145345 is a deficient number, since it is larger than the sum of its proper divisors (206487231).

344145345 is a wasteful number, since it uses less digits than its factorization.

344145345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22943031.

The product of its digits is 57600, while the sum is 33.

The square root of 344145345 is about 18551.1548158059. The cubic root of 344145345 is about 700.7782806225.

Adding to 344145345 its reverse (543541443), we get a palindrome (887686788).

The spelling of 344145345 in words is "three hundred forty-four million, one hundred forty-five thousand, three hundred forty-five".