345140351 has 2 divisors, whose sum is σ = 345140352. Its totient is φ = 345140350.

The previous prime is 345140333. The next prime is 345140353. The reversal of 345140351 is 153041543.

It is a strong prime.

It is an emirp because it is prime and its reverse (153041543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345140351 is a prime.

Together with 345140353, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345140351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345140353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172570175 + 172570176.

It is an arithmetic number, because the mean of its divisors is an integer number (172570176).

Almost surely, 2^345140351 is an apocalyptic number.

345140351 is a deficient number, since it is larger than the sum of its proper divisors (1).

345140351 is an equidigital number, since it uses as much as digits as its factorization.

345140351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 345140351 is about 18577.9533587529. The cubic root of 345140351 is about 701.4530029764.

Adding to 345140351 its reverse (153041543), we get a palindrome (498181894).

The spelling of 345140351 in words is "three hundred forty-five million, one hundred forty thousand, three hundred fifty-one".