345034441 has 2 divisors, whose sum is σ = 345034442. Its totient is φ = 345034440.

The previous prime is 345034429. The next prime is 345034513. The reversal of 345034441 is 144430543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313998400 + 31036041 = 17720^2 + 5571^2 .

It is a cyclic number.

It is not a de Polignac number, because 345034441 - 2⁵ = 345034409 is a prime.

It is not a weakly prime, because it can be changed into another prime (345034411) 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 as a sum of consecutive naturals, namely, 172517220 + 172517221.

It is an arithmetic number, because the mean of its divisors is an integer number (172517221).

Almost surely, 2^345034441 is an apocalyptic number.

It is an amenable number.

345034441 is a deficient number, since it is larger than the sum of its proper divisors (1).

345034441 is an equidigital number, since it uses as much as digits as its factorization.

345034441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 345034441 is about 18575.1027184239. The cubic root of 345034441 is about 701.3812461895.

Adding to 345034441 its reverse (144430543), we get a palindrome (489464984).

The spelling of 345034441 in words is "three hundred forty-five million, thirty-four thousand, four hundred forty-one".