345143017 has 2 divisors, whose sum is σ = 345143018. Its totient is φ = 345143016.

The previous prime is 345143011. The next prime is 345143023. The reversal of 345143017 is 710341543.

It is a balanced prime because it is at equal distance from previous prime (345143011) and next prime (345143023).

It can be written as a sum of positive squares in only one way, i.e., 336208896 + 8934121 = 18336^2 + 2989^2 .

It is a cyclic number.

It is not a de Polignac number, because 345143017 - 2¹¹ = 345140969 is a prime.

It is not a weakly prime, because it can be changed into another prime (345143011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172571508 + 172571509.

It is an arithmetic number, because the mean of its divisors is an integer number (172571509).

Almost surely, 2^345143017 is an apocalyptic number.

It is an amenable number.

345143017 is a deficient number, since it is larger than the sum of its proper divisors (1).

345143017 is an equidigital number, since it uses as much as digits as its factorization.

345143017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 345143017 is about 18578.0251103286. The cubic root of 345143017 is about 701.4548090715.

The spelling of 345143017 in words is "three hundred forty-five million, one hundred forty-three thousand, seventeen".