142144134 has 16 divisors (see below), whose sum is σ = 310132800. Its totient is φ = 43073960.

The previous prime is 142144129. The next prime is 142144141. The reversal of 142144134 is 431441241.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1076784 + ... + 1076915.

It is an arithmetic number, because the mean of its divisors is an integer number (19383300).

Almost surely, 2^142144134 is an apocalyptic number.

142144134 is an abundant number, since it is smaller than the sum of its proper divisors (167988666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142144134 is a wasteful number, since it uses less digits than its factorization.

142144134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153715.

The product of its digits is 1536, while the sum is 24.

The square root of 142144134 is about 11922.4214822325. The cubic root of 142144134 is about 521.8868018367.

Adding to 142144134 its reverse (431441241), we get a palindrome (573585375).

The spelling of 142144134 in words is "one hundred forty-two million, one hundred forty-four thousand, one hundred thirty-four".