142244132 has 12 divisors (see below), whose sum is σ = 255655260. Its totient is φ = 69199776.

The previous prime is 142244111. The next prime is 142244143. The reversal of 142244132 is 231442241.

It can be written as a sum of positive squares in 2 ways, for example, as 120472576 + 21771556 = 10976^2 + 4666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142244098 and 142244107.

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, 480407 + ... + 480702.

It is an arithmetic number, because the mean of its divisors is an integer number (21304605).

Almost surely, 2^142244132 is an apocalyptic number.

It is an amenable number.

142244132 is a deficient number, since it is larger than the sum of its proper divisors (113411128).

142244132 is a wasteful number, since it uses less digits than its factorization.

142244132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961150 (or 961148 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 142244132 is about 11926.6144399825. The cubic root of 142244132 is about 522.0091551171.

Adding to 142244132 its reverse (231442241), we get a palindrome (373686373).

It can be divided in two parts, 1422 and 44132, that added together give a palindrome (45554).

The spelling of 142244132 in words is "one hundred forty-two million, two hundred forty-four thousand, one hundred thirty-two".