4231142 has 4 divisors (see below), whose sum is σ = 6346716. Its totient is φ = 2115570.

The previous prime is 4231121. The next prime is 4231177. The reversal of 4231142 is 2411324.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4231142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057784 + ... + 1057787.

It is an arithmetic number, because the mean of its divisors is an integer number (1586679).

Almost surely, 2^4231142 is an apocalyptic number.

4231142 is a deficient number, since it is larger than the sum of its proper divisors (2115574).

4231142 is a wasteful number, since it uses less digits than its factorization.

4231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115573.

The product of its digits is 192, while the sum is 17.

The square root of 4231142 is about 2056.9739910850. The cubic root of 4231142 is about 161.7406560156.

Adding to 4231142 its reverse (2411324), we get a palindrome (6642466).

The spelling of 4231142 in words is "four million, two hundred thirty-one thousand, one hundred forty-two".