6181142 has 16 divisors (see below), whose sum is σ = 10174464. Its totient is φ = 2793000.

The previous prime is 6181141. The next prime is 6181151. The reversal of 6181142 is 2411816.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6181141) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3467 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (635904).

Almost surely, 2^6181142 is an apocalyptic number.

6181142 is a deficient number, since it is larger than the sum of its proper divisors (3993322).

6181142 is a wasteful number, since it uses less digits than its factorization.

6181142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675.

The product of its digits is 384, while the sum is 23.

The square root of 6181142 is about 2486.1902582063. The cubic root of 6181142 is about 183.5226085635.

Adding to 6181142 its reverse (2411816), we get a palindrome (8592958).

The spelling of 6181142 in words is "six million, one hundred eighty-one thousand, one hundred forty-two".