345902177 has 2 divisors, whose sum is σ = 345902178. Its totient is φ = 345902176.

The previous prime is 345902143. The next prime is 345902197. The reversal of 345902177 is 771209543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216943441 + 128958736 = 14729^2 + 11356^2 .

It is a cyclic number.

It is not a de Polignac number, because 345902177 - 2⁶ = 345902113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345902177.

It is not a weakly prime, because it can be changed into another prime (345902197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172951088 + 172951089.

It is an arithmetic number, because the mean of its divisors is an integer number (172951089).

Almost surely, 2^345902177 is an apocalyptic number.

It is an amenable number.

345902177 is a deficient number, since it is larger than the sum of its proper divisors (1).

345902177 is an equidigital number, since it uses as much as digits as its factorization.

345902177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 345902177 is about 18598.4455533251. The cubic root of 345902177 is about 701.9687278921.

The spelling of 345902177 in words is "three hundred forty-five million, nine hundred two thousand, one hundred seventy-seven".