345745444547543 has 32 divisors (see below), whose sum is σ = 370526188665600. Its totient is φ = 321677987904000.

The previous prime is 345745444547537. The next prime is 345745444547617.

345745444547543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345745444547543 - 2⁴ = 345745444547527 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 (345745444547443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534884180 + ... + 535530182.

It is an arithmetic number, because the mean of its divisors is an integer number (11578943395800).

Almost surely, 2^{345745444547543} is an apocalyptic number.

345745444547543 is a deficient number, since it is larger than the sum of its proper divisors (24780744118057).

345745444547543 is a wasteful number, since it uses less digits than its factorization.

345745444547543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648383.

The product of its digits is 4515840000, while the sum is 68.

The spelling of 345745444547543 in words is "three hundred forty-five trillion, seven hundred forty-five billion, four hundred forty-four million, five hundred forty-seven thousand, five hundred forty-three".