142001044 has 12 divisors (see below), whose sum is σ = 248613568. Its totient is φ = 70968600.

The previous prime is 142001033. The next prime is 142001047. The reversal of 142001044 is 440100241.

142001044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001047) by changing a digit.

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, 4039 + ... + 17329.

Almost surely, 2^142001044 is an apocalyptic number.

It is an amenable number.

142001044 is a deficient number, since it is larger than the sum of its proper divisors (106612524).

142001044 is a wasteful number, since it uses less digits than its factorization.

142001044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15966 (or 15964 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 142001044 is about 11916.4190929994. The cubic root of 142001044 is about 521.7116231822.

Adding to 142001044 its reverse (440100241), we get a palindrome (582101285).

The spelling of 142001044 in words is "one hundred forty-two million, one thousand, forty-four".