142031044 has 6 divisors (see below), whose sum is σ = 248554334. Its totient is φ = 71015520.

The previous prime is 142031017. The next prime is 142031059. The reversal of 142031044 is 440130241.

It can be written as a sum of positive squares in only one way, i.e., 138344644 + 3686400 = 11762^2 + 1920^2 .

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 as a sum of consecutive naturals, namely, 17753877 + ... + 17753884.

Almost surely, 2^142031044 is an apocalyptic number.

It is an amenable number.

142031044 is a deficient number, since it is larger than the sum of its proper divisors (106523290).

142031044 is a wasteful number, since it uses less digits than its factorization.

142031044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35507765 (or 35507763 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142031044 is about 11917.6777939328. The cubic root of 142031044 is about 521.7483605803.

Adding to 142031044 its reverse (440130241), we get a palindrome (582161285).

The spelling of 142031044 in words is "one hundred forty-two million, thirty-one thousand, forty-four".