142808646 has 16 divisors (see below), whose sum is σ = 286239744. Its totient is φ = 47499144.

The previous prime is 142808629. The next prime is 142808657. The reversal of 142808646 is 646808241.

142808646 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22926 + ... + 28481.

It is an arithmetic number, because the mean of its divisors is an integer number (17889984).

Almost surely, 2^142808646 is an apocalyptic number.

142808646 is an abundant number, since it is smaller than the sum of its proper divisors (143431098).

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

142808646 is a wasteful number, since it uses less digits than its factorization.

142808646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51875.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 142808646 is about 11950.2571520449. The cubic root of 142808646 is about 522.6987969374.

The spelling of 142808646 in words is "one hundred forty-two million, eight hundred eight thousand, six hundred forty-six".