345122177 has 2 divisors, whose sum is σ = 345122178. Its totient is φ = 345122176.

The previous prime is 345122161. The next prime is 345122191. The reversal of 345122177 is 771221543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334304656 + 10817521 = 18284^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 345122177 - 2⁴ = 345122161 is a prime.

It is not a weakly prime, because it can be changed into another prime (345122147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172561088 + 172561089.

It is an arithmetic number, because the mean of its divisors is an integer number (172561089).

Almost surely, 2^345122177 is an apocalyptic number.

It is an amenable number.

345122177 is a deficient number, since it is larger than the sum of its proper divisors (1).

345122177 is an equidigital number, since it uses as much as digits as its factorization.

345122177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 345122177 is about 18577.4642241615. The cubic root of 345122177 is about 701.4406906610.

The spelling of 345122177 in words is "three hundred forty-five million, one hundred twenty-two thousand, one hundred seventy-seven".