345808543 has 8 divisors (see below), whose sum is σ = 366778368. Its totient is φ = 324908544.

The previous prime is 345808523. The next prime is 345808559.

345808543 is nontrivially palindromic in base 10.

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 345808543 - 2²¹ = 343711391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345808496 and 345808505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345808513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7071 + ... + 27232.

It is an arithmetic number, because the mean of its divisors is an integer number (45847296).

Almost surely, 2^345808543 is an apocalyptic number.

345808543 is a deficient number, since it is larger than the sum of its proper divisors (20969825).

345808543 is a wasteful number, since it uses less digits than its factorization.

345808543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34913.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 345808543 is about 18595.9281295664. The cubic root of 345808543 is about 701.9053823609.

The spelling of 345808543 in words is "three hundred forty-five million, eight hundred eight thousand, five hundred forty-three".