345342643 has 8 divisors (see below), whose sum is σ = 357745680. Its totient is φ = 332972640.

The previous prime is 345342611. The next prime is 345342649. The reversal of 345342643 is 346243543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345342643 - 2⁵ = 345342611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345342599 and 345342608.

It is not an unprimeable number, because it can be changed into a prime (345342649) 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 7 ways as a sum of consecutive naturals, for example, 14088 + ... + 29818.

It is an arithmetic number, because the mean of its divisors is an integer number (44718210).

Almost surely, 2^345342643 is an apocalyptic number.

345342643 is a deficient number, since it is larger than the sum of its proper divisors (12403037).

345342643 is a wasteful number, since it uses less digits than its factorization.

345342643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16517.

The product of its digits is 103680, while the sum is 34.

The square root of 345342643 is about 18583.3969714904. The cubic root of 345342643 is about 701.5900202957.

The spelling of 345342643 in words is "three hundred forty-five million, three hundred forty-two thousand, six hundred forty-three".