345404543 has 12 divisors (see below), whose sum is σ = 380109744. Its totient is φ = 313632000.

The previous prime is 345404539. The next prime is 345404569.

345404543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345404543 - 2² = 345404539 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 (345404503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192830 + ... + 194612.

It is an arithmetic number, because the mean of its divisors is an integer number (31675812).

Almost surely, 2^345404543 is an apocalyptic number.

345404543 is a deficient number, since it is larger than the sum of its proper divisors (34705201).

345404543 is a wasteful number, since it uses less digits than its factorization.

345404543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406 (or 3395 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 345404543 is about 18585.0623620154. The cubic root of 345404543 is about 701.6319359879.

The spelling of 345404543 in words is "three hundred forty-five million, four hundred four thousand, five hundred forty-three".