142656563 has 8 divisors (see below), whose sum is σ = 163891200. Its totient is φ = 121635720.

The previous prime is 142656559. The next prime is 142656599. The reversal of 142656563 is 365656241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142656563 - 2² = 142656559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142656523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52013 + ... + 54686.

It is an arithmetic number, because the mean of its divisors is an integer number (20486400).

Almost surely, 2^142656563 is an apocalyptic number.

142656563 is a deficient number, since it is larger than the sum of its proper divisors (21234637).

142656563 is a wasteful number, since it uses less digits than its factorization.

142656563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106897.

The product of its digits is 129600, while the sum is 38.

The square root of 142656563 is about 11943.8922885297. The cubic root of 142656563 is about 522.5131829736.

The spelling of 142656563 in words is "one hundred forty-two million, six hundred fifty-six thousand, five hundred sixty-three".