343113145 has 4 divisors (see below), whose sum is σ = 411735780. Its totient is φ = 274490512.

The previous prime is 343113139. The next prime is 343113151. The reversal of 343113145 is 541311343.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (343113139) and next prime (343113151).

It can be written as a sum of positive squares in 2 ways, for example, as 208831401 + 134281744 = 14451^2 + 11588^2 .

It is a cyclic number.

It is not a de Polignac number, because 343113145 - 2⁹ = 343112633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34311310 + ... + 34311319.

It is an arithmetic number, because the mean of its divisors is an integer number (102933945).

Almost surely, 2^343113145 is an apocalyptic number.

It is an amenable number.

343113145 is a deficient number, since it is larger than the sum of its proper divisors (68622635).

343113145 is an equidigital number, since it uses as much as digits as its factorization.

343113145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68622634.

The product of its digits is 2160, while the sum is 25.

The square root of 343113145 is about 18523.3135534655. The cubic root of 343113145 is about 700.0769609260.

Adding to 343113145 its reverse (541311343), we get a palindrome (884424488).

The spelling of 343113145 in words is "three hundred forty-three million, one hundred thirteen thousand, one hundred forty-five".