142445132 has 12 divisors (see below), whose sum is σ = 253982736. Its totient is φ = 69878640.

The previous prime is 142445117. The next prime is 142445143. The reversal of 142445132 is 231544241.

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, 335744 + ... + 336167.

It is an arithmetic number, because the mean of its divisors is an integer number (21165228).

Almost surely, 2^142445132 is an apocalyptic number.

It is an amenable number.

142445132 is a deficient number, since it is larger than the sum of its proper divisors (111537604).

142445132 is a wasteful number, since it uses less digits than its factorization.

142445132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671968 (or 671966 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 142445132 is about 11935.0379974259. The cubic root of 142445132 is about 522.2549167667.

Adding to 142445132 its reverse (231544241), we get a palindrome (373989373).

The spelling of 142445132 in words is "one hundred forty-two million, four hundred forty-five thousand, one hundred thirty-two".