345283669 has 2 divisors, whose sum is σ = 345283670. Its totient is φ = 345283668.

The previous prime is 345283621. The next prime is 345283693. The reversal of 345283669 is 966382543.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338192100 + 7091569 = 18390^2 + 2663^2 .

It is a cyclic number.

It is not a de Polignac number, because 345283669 - 2⁹ = 345283157 is a prime.

It is a super-2 number, since 2×345283669² = 238441624156203122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345283699) 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, 172641834 + 172641835.

It is an arithmetic number, because the mean of its divisors is an integer number (172641835).

Almost surely, 2^345283669 is an apocalyptic number.

It is an amenable number.

345283669 is a deficient number, since it is larger than the sum of its proper divisors (1).

345283669 is an equidigital number, since it uses as much as digits as its factorization.

345283669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 46.

The square root of 345283669 is about 18581.8101647821. The cubic root of 345283669 is about 701.5500812900.

The spelling of 345283669 in words is "three hundred forty-five million, two hundred eighty-three thousand, six hundred sixty-nine".