345555545555543 has 8 divisors (see below), whose sum is σ = 350218149307200. Its totient is φ = 340900153877088.

The previous prime is 345555545555513. The next prime is 345555545555621.

345555545555543 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 345555545555543 - 2¹⁰ = 345555545554519 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 (345555545555513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802921828 + ... + 1803113481.

It is an arithmetic number, because the mean of its divisors is an integer number (43777268663400).

Almost surely, 2^{345555545555543} is an apocalyptic number.

345555545555543 is a deficient number, since it is larger than the sum of its proper divisors (4662603751657).

345555545555543 is a wasteful number, since it uses less digits than its factorization.

345555545555543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606036601.

The product of its digits is 5625000000, while the sum is 68.

The spelling of 345555545555543 in words is "three hundred forty-five trillion, five hundred fifty-five billion, five hundred forty-five million, five hundred fifty-five thousand, five hundred forty-three".