3042543 has 8 divisors (see below), whose sum is σ = 4636288. Its totient is φ = 1738584.

The previous prime is 3042493. The next prime is 3042553. The reversal of 3042543 is 3452403.

It is a happy number.

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

It is not a de Polignac number, because 3042543 - 2¹³ = 3034351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 144883 = 3042543 / (3 + 0 + 4 + 2 + 5 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042553) 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, 72421 + ... + 72462.

It is an arithmetic number, because the mean of its divisors is an integer number (579536).

Almost surely, 2^3042543 is an apocalyptic number.

3042543 is a deficient number, since it is larger than the sum of its proper divisors (1593745).

3042543 is a wasteful number, since it uses less digits than its factorization.

3042543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144893.

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

The square root of 3042543 is about 1744.2886802362. The cubic root of 3042543 is about 144.9035109154.

Adding to 3042543 its reverse (3452403), we get a palindrome (6494946).

The spelling of 3042543 in words is "three million, forty-two thousand, five hundred forty-three".