344533345 has 8 divisors (see below), whose sum is σ = 445243176. Its totient is φ = 254424576.

The previous prime is 344533333. The next prime is 344533351. The reversal of 344533345 is 543335443.

It can be written as a sum of positive squares in 4 ways, for example, as 30393169 + 314140176 = 5513^2 + 17724^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344533345 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 344533345.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2650192 + ... + 2650321.

It is an arithmetic number, because the mean of its divisors is an integer number (55655397).

Almost surely, 2^344533345 is an apocalyptic number.

It is an amenable number.

344533345 is a deficient number, since it is larger than the sum of its proper divisors (100709831).

344533345 is a wasteful number, since it uses less digits than its factorization.

344533345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300531.

The product of its digits is 129600, while the sum is 34.

The square root of 344533345 is about 18561.6094399166. The cubic root of 344533345 is about 701.0415413419.

Adding to 344533345 its reverse (543335443), we get a palindrome (887868788).

The spelling of 344533345 in words is "three hundred forty-four million, five hundred thirty-three thousand, three hundred forty-five".