142044000 has 384 divisors, whose sum is σ = 566092800. Its totient is φ = 30412800.

The previous prime is 142043989. The next prime is 142044017. The reversal of 142044000 is 440241.

142044000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1595956 + ... + 1596044.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^142044000 is an apocalyptic number.

142044000 is a gapful number since it is divisible by the number (10) 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 142044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283046400).

142044000 is an abundant number, since it is smaller than the sum of its proper divisors (424048800).

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

142044000 is a wasteful number, since it uses less digits than its factorization.

142044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 125 counting only the distinct ones).

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

The square root of 142044000 is about 11918.2213438080. The cubic root of 142044000 is about 521.7642246384.

Adding to 142044000 its reverse (440241), we get a palindrome (142484241).

The spelling of 142044000 in words is "one hundred forty-two million, forty-four thousand".