142236000 has 240 divisors, whose sum is σ = 523242720. Its totient is φ = 37843200.

The previous prime is 142235999. The next prime is 142236007. The reversal of 142236000 is 632241.

It is a happy number.

142236000 is a `hidden beast` number, since 1 + 42 + 23 + 600 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142236007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 323781 + ... + 324219.

It is an arithmetic number, because the mean of its divisors is an integer number (2180178).

Almost surely, 2^142236000 is an apocalyptic number.

142236000 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 142236000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261621360).

142236000 is an abundant number, since it is smaller than the sum of its proper divisors (381006720).

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

142236000 is an equidigital number, since it uses as much as digits as its factorization.

142236000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142236000 is about 11926.2735169038. The cubic root of 142236000 is about 521.9992072917. Note that the first 3 decimals are identical.

Adding to 142236000 its reverse (632241), we get a palindrome (142868241).

The spelling of 142236000 in words is "one hundred forty-two million, two hundred thirty-six thousand".