345414239 has 2 divisors, whose sum is σ = 345414240. Its totient is φ = 345414238.

The previous prime is 345414193. The next prime is 345414241. The reversal of 345414239 is 932414543.

It is a strong prime.

It is an emirp because it is prime and its reverse (932414543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345414239 is a prime.

Together with 345414241, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 345414199 and 345414208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345414259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172707119 + 172707120.

It is an arithmetic number, because the mean of its divisors is an integer number (172707120).

Almost surely, 2^345414239 is an apocalyptic number.

345414239 is a deficient number, since it is larger than the sum of its proper divisors (1).

345414239 is an equidigital number, since it uses as much as digits as its factorization.

345414239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 345414239 is about 18585.3232148381. The cubic root of 345414239 is about 701.6385011974.

The spelling of 345414239 in words is "three hundred forty-five million, four hundred fourteen thousand, two hundred thirty-nine".