142010000 has 100 divisors (see below), whose sum is σ = 375367344. Its totient is φ = 51600000.

The previous prime is 142009997. The next prime is 142010017. The reversal of 142010000 is 10241.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 142010000.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 109355 + ... + 110645.

Almost surely, 2^142010000 is an apocalyptic number.

142010000 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 142010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187683672).

142010000 is an abundant number, since it is smaller than the sum of its proper divisors (233357344).

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

142010000 is a wasteful number, since it uses less digits than its factorization.

142010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1309 counting only the distinct ones).

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

The square root of 142010000 is about 11916.7948711052. The cubic root of 142010000 is about 521.7225910619.

Adding to 142010000 its reverse (10241), we get a palindrome (142020241).

The spelling of 142010000 in words is "one hundred forty-two million, ten thousand".