345147871 has 2 divisors, whose sum is σ = 345147872. Its totient is φ = 345147870.

The previous prime is 345147851. The next prime is 345147899. The reversal of 345147871 is 178741543.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (178741543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345147871 - 2⁵ = 345147839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345147851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172573935 + 172573936.

It is an arithmetic number, because the mean of its divisors is an integer number (172573936).

Almost surely, 2^345147871 is an apocalyptic number.

345147871 is a deficient number, since it is larger than the sum of its proper divisors (1).

345147871 is an equidigital number, since it uses as much as digits as its factorization.

345147871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 345147871 is about 18578.1557480822. The cubic root of 345147871 is about 701.4580974143.

The spelling of 345147871 in words is "three hundred forty-five million, one hundred forty-seven thousand, eight hundred seventy-one".