142336444 has 12 divisors (see below), whose sum is σ = 263741184. Its totient is φ = 66981824.

The previous prime is 142336399. The next prime is 142336459. The reversal of 142336444 is 444633241.

142336444 is digitally balanced in base 3, 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 3 ways as a sum of consecutive naturals, for example, 1046524 + ... + 1046659.

It is an arithmetic number, because the mean of its divisors is an integer number (21978432).

Almost surely, 2^142336444 is an apocalyptic number.

It is an amenable number.

142336444 is a deficient number, since it is larger than the sum of its proper divisors (121404740).

142336444 is a wasteful number, since it uses less digits than its factorization.

142336444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093204 (or 2093202 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 142336444 is about 11930.4838124864. The cubic root of 142336444 is about 522.1220532453.

Adding to 142336444 its reverse (444633241), we get a palindrome (586969685).

The spelling of 142336444 in words is "one hundred forty-two million, three hundred thirty-six thousand, four hundred forty-four".