343445161 has 2 divisors, whose sum is σ = 343445162. Its totient is φ = 343445160.

The previous prime is 343445129. The next prime is 343445183. The reversal of 343445161 is 161544343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198387225 + 145057936 = 14085^2 + 12044^2 .

It is a cyclic number.

It is not a de Polignac number, because 343445161 - 2⁵ = 343445129 is a prime.

It is a super-2 number, since 2×343445161² = 235909157228631842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343445111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171722580 + 171722581.

It is an arithmetic number, because the mean of its divisors is an integer number (171722581).

Almost surely, 2^343445161 is an apocalyptic number.

It is an amenable number.

343445161 is a deficient number, since it is larger than the sum of its proper divisors (1).

343445161 is an equidigital number, since it uses as much as digits as its factorization.

343445161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 343445161 is about 18532.2734978739. The cubic root of 343445161 is about 700.3026996975.

The spelling of 343445161 in words is "three hundred forty-three million, four hundred forty-five thousand, one hundred sixty-one".