345006043 has 2 divisors, whose sum is σ = 345006044. Its totient is φ = 345006042.

The previous prime is 345006031. The next prime is 345006059. The reversal of 345006043 is 340600543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345006043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345005999 and 345006017.

It is not a weakly prime, because it can be changed into another prime (345006083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172503021 + 172503022.

It is an arithmetic number, because the mean of its divisors is an integer number (172503022).

Almost surely, 2^345006043 is an apocalyptic number.

345006043 is a deficient number, since it is larger than the sum of its proper divisors (1).

345006043 is an equidigital number, since it uses as much as digits as its factorization.

345006043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 345006043 is about 18574.3382923861. The cubic root of 345006043 is about 701.3620033075.

Adding to 345006043 its reverse (340600543), we get a palindrome (685606586).

The spelling of 345006043 in words is "three hundred forty-five million, six thousand, forty-three".