345304105 has 4 divisors (see below), whose sum is σ = 414364932. Its totient is φ = 276243280.

The previous prime is 345304039. The next prime is 345304109. The reversal of 345304105 is 501403543.

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 160452889 + 184851216 = 12667^2 + 13596^2 .

It is not a de Polignac number, because 345304105 - 2⁷ = 345303977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345304105.

It is not an unprimeable number, because it can be changed into a prime (345304109) 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 3 ways as a sum of consecutive naturals, for example, 34530406 + ... + 34530415.

It is an arithmetic number, because the mean of its divisors is an integer number (103591233).

Almost surely, 2^345304105 is an apocalyptic number.

It is an amenable number.

345304105 is a deficient number, since it is larger than the sum of its proper divisors (69060827).

345304105 is an equidigital number, since it uses as much as digits as its factorization.

345304105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69060826.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 345304105 is about 18582.3600492510. The cubic root of 345304105 is about 701.5639216923.

Adding to 345304105 its reverse (501403543), we get a palindrome (846707648).

The spelling of 345304105 in words is "three hundred forty-five million, three hundred four thousand, one hundred five".