345247424742543 has 8 divisors (see below), whose sum is σ = 487408129048368. Its totient is φ = 216625835132544.

The previous prime is 345247424742511. The next prime is 345247424742581.

345247424742543 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345247424742543 - 2⁵ = 345247424742511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345247424742503) 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 7 ways as a sum of consecutive naturals, for example, 3384778673896 + ... + 3384778673997.

It is an arithmetic number, because the mean of its divisors is an integer number (60926016131046).

Almost surely, 2^{345247424742543} is an apocalyptic number.

345247424742543 is a deficient number, since it is larger than the sum of its proper divisors (142160704305825).

345247424742543 is a wasteful number, since it uses less digits than its factorization.

345247424742543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769557347913.

The product of its digits is 361267200, while the sum is 60.

The spelling of 345247424742543 in words is "three hundred forty-five trillion, two hundred forty-seven billion, four hundred twenty-four million, seven hundred forty-two thousand, five hundred forty-three".