345654543 has 16 divisors (see below), whose sum is σ = 497387520. Its totient is φ = 212254944.

The previous prime is 345654493. The next prime is 345654577. The reversal of 345654543 is 345456543.

345654543 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 345654543 - 2⁹ = 345654031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345654583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9430 + ... + 27932.

It is an arithmetic number, because the mean of its divisors is an integer number (31086720).

Almost surely, 2^345654543 is an apocalyptic number.

345654543 is a deficient number, since it is larger than the sum of its proper divisors (151732977).

345654543 is a wasteful number, since it uses less digits than its factorization.

345654543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18998.

The product of its digits is 432000, while the sum is 39.

The square root of 345654543 is about 18591.7869770498. The cubic root of 345654543 is about 701.8011729836.

Subtracting from 345654543 its product of digits (432000), we obtain a palindrome (345222543).

The spelling of 345654543 in words is "three hundred forty-five million, six hundred fifty-four thousand, five hundred forty-three".