345112177 has 2 divisors, whose sum is σ = 345112178. Its totient is φ = 345112176.

The previous prime is 345112169. The next prime is 345112231. The reversal of 345112177 is 771211543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269091216 + 76020961 = 16404^2 + 8719^2 .

It is an emirp because it is prime and its reverse (771211543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345112177 - 2³ = 345112169 is a prime.

It is not a weakly prime, because it can be changed into another prime (345112277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172556088 + 172556089.

It is an arithmetic number, because the mean of its divisors is an integer number (172556089).

Almost surely, 2^345112177 is an apocalyptic number.

It is an amenable number.

345112177 is a deficient number, since it is larger than the sum of its proper divisors (1).

345112177 is an equidigital number, since it uses as much as digits as its factorization.

345112177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 345112177 is about 18577.1950789133. The cubic root of 345112177 is about 701.4339157900.

The spelling of 345112177 in words is "three hundred forty-five million, one hundred twelve thousand, one hundred seventy-seven".