345506543 has 8 divisors (see below), whose sum is σ = 347263488. Its totient is φ = 343754784.

The previous prime is 345506489. The next prime is 345506561. The reversal of 345506543 is 345605543.

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 345506543 - 2¹² = 345502447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345506593) 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, 206930 + ... + 208592.

It is an arithmetic number, because the mean of its divisors is an integer number (43407936).

Almost surely, 2^345506543 is an apocalyptic number.

345506543 is a deficient number, since it is larger than the sum of its proper divisors (1756945).

345506543 is a wasteful number, since it uses less digits than its factorization.

345506543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 345506543 is about 18587.8062987540. The cubic root of 345506543 is about 701.7009945410.

The spelling of 345506543 in words is "three hundred forty-five million, five hundred six thousand, five hundred forty-three".