345387143 has 2 divisors, whose sum is σ = 345387144. Its totient is φ = 345387142.

The previous prime is 345387139. The next prime is 345387197. The reversal of 345387143 is 341783543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345387143 - 2² = 345387139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345387097 and 345387106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345387103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172693571 + 172693572.

It is an arithmetic number, because the mean of its divisors is an integer number (172693572).

Almost surely, 2^345387143 is an apocalyptic number.

345387143 is a deficient number, since it is larger than the sum of its proper divisors (1).

345387143 is an equidigital number, since it uses as much as digits as its factorization.

345387143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 345387143 is about 18584.5942382394. The cubic root of 345387143 is about 701.6201540538.

The spelling of 345387143 in words is "three hundred forty-five million, three hundred eighty-seven thousand, one hundred forty-three".