345343147 has 2 divisors, whose sum is σ = 345343148. Its totient is φ = 345343146.

The previous prime is 345343133. The next prime is 345343153. The reversal of 345343147 is 741343543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345343147 - 2¹¹ = 345341099 is a prime.

It is not a weakly prime, because it can be changed into another prime (345343547) 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, 172671573 + 172671574.

It is an arithmetic number, because the mean of its divisors is an integer number (172671574).

Almost surely, 2^345343147 is an apocalyptic number.

345343147 is a deficient number, since it is larger than the sum of its proper divisors (1).

345343147 is an equidigital number, since it uses as much as digits as its factorization.

345343147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 34.

The square root of 345343147 is about 18583.4105319772. The cubic root of 345343147 is about 701.5903616004.

The spelling of 345343147 in words is "three hundred forty-five million, three hundred forty-three thousand, one hundred forty-seven".