142828688 has 20 divisors (see below), whose sum is σ = 277562220. Its totient is φ = 71199744.

The previous prime is 142828669. The next prime is 142828691. The reversal of 142828688 is 886828241.

It can be written as a sum of positive squares in 2 ways, for example, as 35664784 + 107163904 = 5972^2 + 10352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7853 + ... + 18636.

It is an arithmetic number, because the mean of its divisors is an integer number (13878111).

Almost surely, 2^142828688 is an apocalyptic number.

It is an amenable number.

142828688 is a deficient number, since it is larger than the sum of its proper divisors (134733532).

142828688 is a wasteful number, since it uses less digits than its factorization.

142828688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26834 (or 26828 counting only the distinct ones).

The product of its digits is 393216, while the sum is 47.

The square root of 142828688 is about 11951.0956819867. The cubic root of 142828688 is about 522.7232479296.

The spelling of 142828688 in words is "one hundred forty-two million, eight hundred twenty-eight thousand, six hundred eighty-eight".