7231142 has 4 divisors (see below), whose sum is σ = 10846716. Its totient is φ = 3615570.

The previous prime is 7231141. The next prime is 7231151. The reversal of 7231142 is 2411327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2411327 = 37 ⋅65171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7231141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1807784 + ... + 1807787.

It is an arithmetic number, because the mean of its divisors is an integer number (2711679).

Almost surely, 2^7231142 is an apocalyptic number.

7231142 is a deficient number, since it is larger than the sum of its proper divisors (3615574).

7231142 is a wasteful number, since it uses less digits than its factorization.

7231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615573.

The product of its digits is 336, while the sum is 20.

The square root of 7231142 is about 2689.0782807497. The cubic root of 7231142 is about 193.3758771481.

Adding to 7231142 its reverse (2411327), we get a palindrome (9642469).

The spelling of 7231142 in words is "seven million, two hundred thirty-one thousand, one hundred forty-two".