142044 has 48 divisors (see below), whose sum is σ = 403200. Its totient is φ = 38016.

The previous prime is 142039. The next prime is 142049. The reversal of 142044 is 440241.

142044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142039) and next prime (142049).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142044.

It is not an unprimeable number, because it can be changed into a prime (142049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1552 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

2¹⁴²⁰⁴⁴ is an apocalyptic number.

142044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201600).

142044 is an abundant number, since it is smaller than the sum of its proper divisors (261156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142044 is a wasteful number, since it uses less digits than its factorization.

142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 142044 is about 376.8872510447. The cubic root of 142044 is about 52.1764224638.

Adding to 142044 its reverse (440241), we get a palindrome (582285).

The spelling of 142044 in words is "one hundred forty-two thousand, forty-four", and thus it is an iban number.