142886656 has 36 divisors (see below), whose sum is σ = 311149944. Its totient is φ = 64947200.

The previous prime is 142886651. The next prime is 142886663. The reversal of 142886656 is 656688241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142886651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22555 + ... + 28186.

It is an arithmetic number, because the mean of its divisors is an integer number (8643054).

Almost surely, 2^142886656 is an apocalyptic number.

142886656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142886656 is an abundant number, since it is smaller than the sum of its proper divisors (168263288).

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

142886656 is an equidigital number, since it uses as much as digits as its factorization.

142886656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50768 (or 50754 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 142886656 is about 11953.5206529290. The cubic root of 142886656 is about 522.7939553000.

The spelling of 142886656 in words is "one hundred forty-two million, eight hundred eighty-six thousand, six hundred fifty-six".