3142543 has 4 divisors (see below), whose sum is σ = 3307960. Its totient is φ = 2977128.

The previous prime is 3142519. The next prime is 3142547. The reversal of 3142543 is 3452413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3142543 - 2⁵ = 3142511 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 (3142547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82680 + ... + 82717.

It is an arithmetic number, because the mean of its divisors is an integer number (826990).

Almost surely, 2^3142543 is an apocalyptic number.

3142543 is a deficient number, since it is larger than the sum of its proper divisors (165417).

3142543 is a wasteful number, since it uses less digits than its factorization.

3142543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165416.

The product of its digits is 1440, while the sum is 22.

The square root of 3142543 is about 1772.7219184068. The cubic root of 3142543 is about 146.4739554628.

Adding to 3142543 its reverse (3452413), we get a palindrome (6594956).

The spelling of 3142543 in words is "three million, one hundred forty-two thousand, five hundred forty-three".