345456543 has 8 divisors (see below), whose sum is σ = 463021056. Its totient is φ = 229098200.

The previous prime is 345456523. The next prime is 345456547. The reversal of 345456543 is 345654543.

345456543 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 345456543 - 2⁵ = 345456511 is a prime.

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 (345456547) 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, 300873 + ... + 302018.

It is an arithmetic number, because the mean of its divisors is an integer number (57877632).

Almost surely, 2^345456543 is an apocalyptic number.

345456543 is a deficient number, since it is larger than the sum of its proper divisors (117564513).

345456543 is a wasteful number, since it uses less digits than its factorization.

345456543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603085.

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

The square root of 345456543 is about 18586.4612823420. The cubic root of 345456543 is about 701.6671440076.

Adding to 345456543 its product of digits (432000), we get a palindrome (345888543).

The spelling of 345456543 in words is "three hundred forty-five million, four hundred fifty-six thousand, five hundred forty-three".