142428568 has 8 divisors (see below), whose sum is σ = 267053580. Its totient is φ = 71214280.

The previous prime is 142428563. The next prime is 142428607. The reversal of 142428568 is 865824241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 142428568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142428563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8901778 + ... + 8901793.

Almost surely, 2^142428568 is an apocalyptic number.

It is an amenable number.

142428568 is a deficient number, since it is larger than the sum of its proper divisors (124625012).

142428568 is a wasteful number, since it uses less digits than its factorization.

142428568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17803577 (or 17803573 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 142428568 is about 11934.3440540316. The cubic root of 142428568 is about 522.2346727947.

It can be divided in two parts, 1424 and 28568, that added together give a palindrome (29992).

The spelling of 142428568 in words is "one hundred forty-two million, four hundred twenty-eight thousand, five hundred sixty-eight".