345047543 has 16 divisors (see below), whose sum is σ = 371697120. Its totient is φ = 319303296.

The previous prime is 345047531. The next prime is 345047557. The reversal of 345047543 is 345740543.

It is a cyclic number.

It is not a de Polignac number, because 345047543 - 2¹⁶ = 344982007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345047503) 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, 278321 + ... + 279557.

It is an arithmetic number, because the mean of its divisors is an integer number (23231070).

Almost surely, 2^345047543 is an apocalyptic number.

345047543 is a deficient number, since it is larger than the sum of its proper divisors (26649577).

345047543 is a wasteful number, since it uses less digits than its factorization.

345047543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 100800, while the sum is 35.

The square root of 345047543 is about 18575.4553914568. The cubic root of 345047543 is about 701.3901239321.

The spelling of 345047543 in words is "three hundred forty-five million, forty-seven thousand, five hundred forty-three".