345303139 has 2 divisors, whose sum is σ = 345303140. Its totient is φ = 345303138.

The previous prime is 345303103. The next prime is 345303181. The reversal of 345303139 is 931303543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345303139 - 2⁹ = 345302627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345303139.

It is not a weakly prime, because it can be changed into another prime (345303239) 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, 172651569 + 172651570.

It is an arithmetic number, because the mean of its divisors is an integer number (172651570).

Almost surely, 2^345303139 is an apocalyptic number.

345303139 is a deficient number, since it is larger than the sum of its proper divisors (1).

345303139 is an equidigital number, since it uses as much as digits as its factorization.

345303139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 345303139 is about 18582.3340568401. The cubic root of 345303139 is about 701.5632674753.

The spelling of 345303139 in words is "three hundred forty-five million, three hundred three thousand, one hundred thirty-nine".