142043344 has 20 divisors (see below), whose sum is σ = 275776000. Its totient is φ = 70875360.

The previous prime is 142043323. The next prime is 142043351. The reversal of 142043344 is 443340241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912 + ... + 16879.

It is an arithmetic number, because the mean of its divisors is an integer number (13788800).

Almost surely, 2^142043344 is an apocalyptic number.

It is an amenable number.

142043344 is a deficient number, since it is larger than the sum of its proper divisors (133732656).

142043344 is a wasteful number, since it uses less digits than its factorization.

142043344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18298 (or 18292 counting only the distinct ones).

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

The square root of 142043344 is about 11918.1938228911. The cubic root of 142043344 is about 521.7634214182.

Adding to 142043344 its reverse (443340241), we get a palindrome (585383585).

The spelling of 142043344 in words is "one hundred forty-two million, forty-three thousand, three hundred forty-four".