345443303344543 has 32 divisors (see below), whose sum is σ = 364678520832000. Its totient is φ = 326733815460960.

The previous prime is 345443303344499. The next prime is 345443303344619.

345443303344543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345443303344543 - 2²⁵ = 345443269790111 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 (345443303344343) 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, 3769564318 + ... + 3769655956.

It is an arithmetic number, because the mean of its divisors is an integer number (11396203776000).

Almost surely, 2^{345443303344543} is an apocalyptic number.

345443303344543 is a deficient number, since it is larger than the sum of its proper divisors (19235217487457).

345443303344543 is a wasteful number, since it uses less digits than its factorization.

345443303344543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95275.

The product of its (nonzero) digits is 74649600, while the sum is 52.

It can be divided in two parts, 34544330 and 3344543, that added together give a palindrome (37888873).

The spelling of 345443303344543 in words is "three hundred forty-five trillion, four hundred forty-three billion, three hundred three million, three hundred forty-four thousand, five hundred forty-three".