142338344 has 16 divisors (see below), whose sum is σ = 267023520. Its totient is φ = 71132080.

The previous prime is 142338311. The next prime is 142338349. The reversal of 142338344 is 443833241.

142338344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142338344.

It is not an unprimeable number, because it can be changed into a prime (142338349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18407 + ... + 24969.

It is an arithmetic number, because the mean of its divisors is an integer number (16688970).

Almost surely, 2^142338344 is an apocalyptic number.

It is an amenable number.

142338344 is a deficient number, since it is larger than the sum of its proper divisors (124685176).

142338344 is a wasteful number, since it uses less digits than its factorization.

142338344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280 (or 9276 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 142338344 is about 11930.5634401733. The cubic root of 142338344 is about 522.1243764439.

The spelling of 142338344 in words is "one hundred forty-two million, three hundred thirty-eight thousand, three hundred forty-four".