342543 has 8 divisors (see below), whose sum is σ = 459648. Its totient is φ = 226904.

The previous prime is 342527. The next prime is 342547. The reversal of 342543 is 345243.

It is a happy number.

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 342543 - 2⁴ = 342527 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 4 + 5⁷ + 2¹¹ + 4⁸ + 3¹¹ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342543.

It is not an unprimeable number, because it can be changed into a prime (342547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2³⁴²⁵⁴³ is an apocalyptic number.

342543 is a deficient number, since it is larger than the sum of its proper divisors (117105).

342543 is a wasteful number, since it uses less digits than its factorization.

342543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its digits is 1440, while the sum is 21.

The square root of 342543 is about 585.2717317623. The cubic root of 342543 is about 69.9688977474.

Adding to 342543 its reverse (345243), we get a palindrome (687786).

The spelling of 342543 in words is "three hundred forty-two thousand, five hundred forty-three".