4161142 has 4 divisors (see below), whose sum is σ = 6241716. Its totient is φ = 2080570.

The previous prime is 4161119. The next prime is 4161149. The reversal of 4161142 is 2411614.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040284 + ... + 1040287.

It is an arithmetic number, because the mean of its divisors is an integer number (1560429).

Almost surely, 2^4161142 is an apocalyptic number.

4161142 is a deficient number, since it is larger than the sum of its proper divisors (2080574).

4161142 is a wasteful number, since it uses less digits than its factorization.

4161142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080573.

The product of its digits is 192, while the sum is 19.

The square root of 4161142 is about 2039.8877420093. The cubic root of 4161142 is about 160.8437458843.

Adding to 4161142 its reverse (2411614), we get a palindrome (6572756).

The spelling of 4161142 in words is "four million, one hundred sixty-one thousand, one hundred forty-two".