142005606 has 16 divisors (see below), whose sum is σ = 293173248. Its totient is φ = 45808200.

The previous prime is 142005599. The next prime is 142005623. The reversal of 142005606 is 606500241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381550 + ... + 381921.

It is an arithmetic number, because the mean of its divisors is an integer number (18323328).

Almost surely, 2^142005606 is an apocalyptic number.

142005606 is an abundant number, since it is smaller than the sum of its proper divisors (151167642).

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

142005606 is a wasteful number, since it uses less digits than its factorization.

142005606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763507.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 142005606 is about 11916.6105080262. The cubic root of 142005606 is about 521.7172100495.

Adding to 142005606 its reverse (606500241), we get a palindrome (748505847).

The spelling of 142005606 in words is "one hundred forty-two million, five thousand, six hundred six".