142432244 has 12 divisors (see below), whose sum is σ = 249703104. Its totient is φ = 71088504.

The previous prime is 142432223. The next prime is 142432247. The reversal of 142432244 is 442234241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142432247) by changing a digit.

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, 29372 + ... + 33875.

It is an arithmetic number, because the mean of its divisors is an integer number (20808592).

Almost surely, 2^142432244 is an apocalyptic number.

It is an amenable number.

142432244 is a deficient number, since it is larger than the sum of its proper divisors (107270860).

142432244 is a wasteful number, since it uses less digits than its factorization.

142432244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63814 (or 63812 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 142432244 is about 11934.4980623401. The cubic root of 142432244 is about 522.2391656156.

Adding to 142432244 its reverse (442234241), we get a palindrome (584666485).

The spelling of 142432244 in words is "one hundred forty-two million, four hundred thirty-two thousand, two hundred forty-four".