142000100 has 72 divisors (see below), whose sum is σ = 338603328. Its totient is φ = 51260800.

The previous prime is 142000081. The next prime is 142000109. The reversal of 142000100 is 1000241.

142000100 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

142000100 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (142000109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183314 + ... + 184086.

It is an arithmetic number, because the mean of its divisors is an integer number (4702824).

Almost surely, 2^142000100 is an apocalyptic number.

142000100 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 142000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169301664).

142000100 is an abundant number, since it is smaller than the sum of its proper divisors (196603228).

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

142000100 is a wasteful number, since it uses less digits than its factorization.

142000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 142000100 is about 11916.3794837190. The cubic root of 142000100 is about 521.7104670948.

Adding to 142000100 its reverse (1000241), we get a palindrome (143000341).

The spelling of 142000100 in words is "one hundred forty-two million, one hundred", and thus it is an aban number.