345424543 has 2 divisors, whose sum is σ = 345424544. Its totient is φ = 345424542.

The previous prime is 345424529. The next prime is 345424559.

345424543 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345424543 is a prime.

It is a super-2 number, since 2×345424543² = 238636229813517698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345424499 and 345424508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345424523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172712271 + 172712272.

It is an arithmetic number, because the mean of its divisors is an integer number (172712272).

Almost surely, 2^345424543 is an apocalyptic number.

345424543 is a deficient number, since it is larger than the sum of its proper divisors (1).

345424543 is an equidigital number, since it uses as much as digits as its factorization.

345424543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 34.

The square root of 345424543 is about 18585.6004207558. The cubic root of 345424543 is about 701.6454779521.

The spelling of 345424543 in words is "three hundred forty-five million, four hundred twenty-four thousand, five hundred forty-three".