345866299 has 2 divisors, whose sum is σ = 345866300. Its totient is φ = 345866298.

The previous prime is 345866251. The next prime is 345866327. The reversal of 345866299 is 992668543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345866299 - 2⁹ = 345865787 is a prime.

It is not a weakly prime, because it can be changed into another prime (345860299) 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, 172933149 + 172933150.

It is an arithmetic number, because the mean of its divisors is an integer number (172933150).

Almost surely, 2^345866299 is an apocalyptic number.

345866299 is a deficient number, since it is larger than the sum of its proper divisors (1).

345866299 is an equidigital number, since it uses as much as digits as its factorization.

345866299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The square root of 345866299 is about 18597.4809853378. The cubic root of 345866299 is about 701.9444569600.

The spelling of 345866299 in words is "three hundred forty-five million, eight hundred sixty-six thousand, two hundred ninety-nine".