345314243 has 2 divisors, whose sum is σ = 345314244. Its totient is φ = 345314242.

The previous prime is 345314237. The next prime is 345314257. The reversal of 345314243 is 342413543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345314243 - 2⁸ = 345313987 is a prime.

It is equal to p_18565202 and since 345314243 and 18565202 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (345314213) 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, 172657121 + 172657122.

It is an arithmetic number, because the mean of its divisors is an integer number (172657122).

Almost surely, 2^345314243 is an apocalyptic number.

345314243 is a deficient number, since it is larger than the sum of its proper divisors (1).

345314243 is an equidigital number, since it uses as much as digits as its factorization.

345314243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 345314243 is about 18582.6328328361. The cubic root of 345314243 is about 701.5707875103.

Adding to 345314243 its reverse (342413543), we get a palindrome (687727786).

The spelling of 345314243 in words is "three hundred forty-five million, three hundred fourteen thousand, two hundred forty-three".