340145343 has 6 divisors (see below), whose sum is σ = 491321064. Its totient is φ = 226763556.

The previous prime is 340145339. The next prime is 340145347. The reversal of 340145343 is 343541043.

It is an interprime number because it is at equal distance from previous prime (340145339) and next prime (340145347).

It is not a de Polignac number, because 340145343 - 2² = 340145339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340145347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18896955 + ... + 18896972.

It is an arithmetic number, because the mean of its divisors is an integer number (81886844).

Almost surely, 2^340145343 is an apocalyptic number.

340145343 is a deficient number, since it is larger than the sum of its proper divisors (151175721).

340145343 is a wasteful number, since it uses less digits than its factorization.

340145343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37793933 (or 37793930 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 340145343 is about 18443.0296589253. The cubic root of 340145343 is about 698.0526440646.

Adding to 340145343 its reverse (343541043), we get a palindrome (683686386).

The spelling of 340145343 in words is "three hundred forty million, one hundred forty-five thousand, three hundred forty-three".