142244732 has 12 divisors (see below), whose sum is σ = 284489520. Its totient is φ = 60962016.

The previous prime is 142244723. The next prime is 142244743. The reversal of 142244732 is 237442241.

142244732 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 142244695 and 142244704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540057 + ... + 2540112.

It is an arithmetic number, because the mean of its divisors is an integer number (23707460).

Almost surely, 2^142244732 is an apocalyptic number.

It is an amenable number.

142244732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142244732 is a wasteful number, since it uses less digits than its factorization.

142244732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080180 (or 5080178 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 142244732 is about 11926.6395937833. The cubic root of 142244732 is about 522.0098890783.

Adding to 142244732 its reverse (237442241), we get a palindrome (379686973).

The spelling of 142244732 in words is "one hundred forty-two million, two hundred forty-four thousand, seven hundred thirty-two".