345244442543 has 64 divisors (see below), whose sum is σ = 470679552000. Its totient is φ = 244522661760.

The previous prime is 345244442461. The next prime is 345244442549.

345244442543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345244442543 - 2²⁸ = 344976007087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345244442494 and 345244442503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345244442549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30281558 + ... + 30292956.

It is an arithmetic number, because the mean of its divisors is an integer number (7354368000).

Almost surely, 2^345244442543 is an apocalyptic number.

345244442543 is a deficient number, since it is larger than the sum of its proper divisors (125435109457).

345244442543 is a wasteful number, since it uses less digits than its factorization.

345244442543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11892.

The product of its digits is 3686400, while the sum is 44.

It can be divided in two parts, 345244 and 442543, that added together give a palindrome (787787).

The spelling of 345244442543 in words is "three hundred forty-five billion, two hundred forty-four million, four hundred forty-two thousand, five hundred forty-three".