142340344 has 16 divisors (see below), whose sum is σ = 275497920. Its totient is φ = 68874240.

The previous prime is 142340339. The next prime is 142340377. The reversal of 142340344 is 443043241.

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, 286729 + ... + 287224.

It is an arithmetic number, because the mean of its divisors is an integer number (17218620).

Almost surely, 2^142340344 is an apocalyptic number.

It is an amenable number.

142340344 is a deficient number, since it is larger than the sum of its proper divisors (133157576).

142340344 is a wasteful number, since it uses less digits than its factorization.

142340344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573990 (or 573986 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 142340344 is about 11930.6472582170. The cubic root of 142340344 is about 522.1268218938.

Adding to 142340344 its reverse (443043241), we get a palindrome (585383585).

The spelling of 142340344 in words is "one hundred forty-two million, three hundred forty thousand, three hundred forty-four".