142506868 has 24 divisors (see below), whose sum is σ = 286376384. Its totient is φ = 60782400.

The previous prime is 142506839. The next prime is 142506887. The reversal of 142506868 is 868605241.

It is a self number, because there is not a number n which added to its sum of digits gives 142506868.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6153 + ... + 17968.

Almost surely, 2^142506868 is an apocalyptic number.

It is an amenable number.

142506868 is an abundant number, since it is smaller than the sum of its proper divisors (143869516).

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

142506868 is a wasteful number, since it uses less digits than its factorization.

142506868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24343 (or 24341 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 142506868 is about 11937.6240517115. The cubic root of 142506868 is about 522.3303546383.

The spelling of 142506868 in words is "one hundred forty-two million, five hundred six thousand, eight hundred sixty-eight".