142344134 has 4 divisors (see below), whose sum is σ = 213516204. Its totient is φ = 71172066.

The previous prime is 142344131. The next prime is 142344193. The reversal of 142344134 is 431443241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431443241 = 19 ⋅22707539.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35586032 + ... + 35586035.

It is an arithmetic number, because the mean of its divisors is an integer number (53379051).

Almost surely, 2^142344134 is an apocalyptic number.

142344134 is a deficient number, since it is larger than the sum of its proper divisors (71172070).

142344134 is an equidigital number, since it uses as much as digits as its factorization.

142344134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71172069.

The product of its digits is 4608, while the sum is 26.

The square root of 142344134 is about 11930.8060917945. The cubic root of 142344134 is about 522.1314559585.

Adding to 142344134 its reverse (431443241), we get a palindrome (573787375).

The spelling of 142344134 in words is "one hundred forty-two million, three hundred forty-four thousand, one hundred thirty-four".