345565043 has 2 divisors, whose sum is σ = 345565044. Its totient is φ = 345565042.

The previous prime is 345564983. The next prime is 345565063. The reversal of 345565043 is 340565543.

It is a strong prime.

It is an emirp because it is prime and its reverse (340565543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345565043 - 2¹⁰ = 345564019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345564994 and 345565012.

It is not a weakly prime, because it can be changed into another prime (345565063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172782521 + 172782522.

It is an arithmetic number, because the mean of its divisors is an integer number (172782522).

Almost surely, 2^345565043 is an apocalyptic number.

345565043 is a deficient number, since it is larger than the sum of its proper divisors (1).

345565043 is an equidigital number, since it uses as much as digits as its factorization.

345565043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 345565043 is about 18589.3798444165. The cubic root of 345565043 is about 701.7405955196.

The spelling of 345565043 in words is "three hundred forty-five million, five hundred sixty-five thousand, forty-three".