345354464453543 has 16 divisors (see below), whose sum is σ = 345737478468480. Its totient is φ = 344971737043200.

The previous prime is 345354464453527. The next prime is 345354464453569.

345354464453543 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 345354464453543 - 2⁴ = 345354464453527 is a prime.

It is a super-3 number, since 3×345354464453543³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345354464453143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40962451538 + ... + 40962459968.

It is an arithmetic number, because the mean of its divisors is an integer number (21608592404280).

Almost surely, 2^{345354464453543} is an apocalyptic number.

345354464453543 is a deficient number, since it is larger than the sum of its proper divisors (383014014937).

345354464453543 is a wasteful number, since it uses less digits than its factorization.

345354464453543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618.

The product of its digits is 1244160000, while the sum is 62.

The spelling of 345354464453543 in words is "three hundred forty-five trillion, three hundred fifty-four billion, four hundred sixty-four million, four hundred fifty-three thousand, five hundred forty-three".