142445134 has 16 divisors (see below), whose sum is σ = 230348160. Its totient is φ = 65674080.

The previous prime is 142445117. The next prime is 142445143. The reversal of 142445134 is 431544241.

142445134 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28387 + ... + 33025.

It is an arithmetic number, because the mean of its divisors is an integer number (14396760).

Almost surely, 2^142445134 is an apocalyptic number.

142445134 is a deficient number, since it is larger than the sum of its proper divisors (87903026).

142445134 is a wasteful number, since it uses less digits than its factorization.

142445134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835.

The product of its digits is 7680, while the sum is 28.

The square root of 142445134 is about 11935.0380812128. The cubic root of 142445134 is about 522.2549192109.

Adding to 142445134 its reverse (431544241), we get a palindrome (573989375).

The spelling of 142445134 in words is "one hundred forty-two million, four hundred forty-five thousand, one hundred thirty-four".