142808616 has 64 divisors (see below), whose sum is σ = 401760000. Its totient is φ = 46994688.

The previous prime is 142808597. The next prime is 142808623. The reversal of 142808616 is 616808241.

142808616 is a `hidden beast` number, since 14 + 28 + 0 + 8 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12880 + ... + 21248.

It is an arithmetic number, because the mean of its divisors is an integer number (6277500).

Almost surely, 2^142808616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142808616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200880000).

142808616 is an abundant number, since it is smaller than the sum of its proper divisors (258951384).

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

142808616 is a wasteful number, since it uses less digits than its factorization.

142808616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463 (or 8453 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 142808616 is about 11950.2558968417. The cubic root of 142808616 is about 522.6987603361.

The spelling of 142808616 in words is "one hundred forty-two million, eight hundred eight thousand, six hundred sixteen".