343065645 has 32 divisors (see below), whose sum is σ = 656812800. Its totient is φ = 168892992.

The previous prime is 343065641. The next prime is 343065683. The reversal of 343065645 is 546560343.

343065645 is a `hidden beast` number, since 3 + 4 + 3 + 0 + 6 + 5 + 645 = 666.

It is not a de Polignac number, because 343065645 - 2² = 343065641 is a prime.

It is a super-3 number, since 3×343065645³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343065641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95985 + ... + 99494.

It is an arithmetic number, because the mean of its divisors is an integer number (20525400).

Almost surely, 2^343065645 is an apocalyptic number.

It is an amenable number.

343065645 is a deficient number, since it is larger than the sum of its proper divisors (313747155).

343065645 is a wasteful number, since it uses less digits than its factorization.

343065645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195506 (or 195500 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 343065645 is about 18522.0313410814. The cubic root of 343065645 is about 700.0446536140.

The spelling of 343065645 in words is "three hundred forty-three million, sixty-five thousand, six hundred forty-five".