142144142 has 16 divisors (see below), whose sum is σ = 244176000. Its totient is φ = 60793848.

The previous prime is 142144141. The next prime is 142144151. The reversal of 142144142 is 241441241.

142144142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142144141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3188 + ... + 17159.

It is an arithmetic number, because the mean of its divisors is an integer number (15261000).

Almost surely, 2^142144142 is an apocalyptic number.

142144142 is a deficient number, since it is larger than the sum of its proper divisors (102031858).

142144142 is a wasteful number, since it uses less digits than its factorization.

142144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20855.

The product of its digits is 1024, while the sum is 23.

The square root of 142144142 is about 11922.4218177349. The cubic root of 142144142 is about 521.8868116274.

Adding to 142144142 its reverse (241441241), we get a palindrome (383585383).

The spelling of 142144142 in words is "one hundred forty-two million, one hundred forty-four thousand, one hundred forty-two".