142108806 has 16 divisors (see below), whose sum is σ = 324820224. Its totient is φ = 40602504.

The previous prime is 142108801. The next prime is 142108807. The reversal of 142108806 is 608801241.

142108806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142108801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691730 + ... + 1691813.

It is an arithmetic number, because the mean of its divisors is an integer number (20301264).

Almost surely, 2^142108806 is an apocalyptic number.

142108806 is an abundant number, since it is smaller than the sum of its proper divisors (182711418).

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

142108806 is a wasteful number, since it uses less digits than its factorization.

142108806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383555.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 142108806 is about 11920.9398119444. The cubic root of 142108806 is about 521.8435622880.

The spelling of 142108806 in words is "one hundred forty-two million, one hundred eight thousand, eight hundred six".