3142243 has 4 divisors (see below), whose sum is σ = 3383968. Its totient is φ = 2900520.

The previous prime is 3142231. The next prime is 3142259. The reversal of 3142243 is 3422413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3142243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3142243.

It is not an unprimeable number, because it can be changed into a prime (3142273) 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, 120843 + ... + 120868.

It is an arithmetic number, because the mean of its divisors is an integer number (845992).

Almost surely, 2^3142243 is an apocalyptic number.

3142243 is a deficient number, since it is larger than the sum of its proper divisors (241725).

3142243 is a wasteful number, since it uses less digits than its factorization.

3142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241724.

The product of its digits is 576, while the sum is 19.

The square root of 3142243 is about 1772.6373007471. The cubic root of 3142243 is about 146.4692943137.

Adding to 3142243 its reverse (3422413), we get a palindrome (6564656).

The spelling of 3142243 in words is "three million, one hundred forty-two thousand, two hundred forty-three".