142417768 has 32 divisors (see below), whose sum is σ = 281736000. Its totient is φ = 67305600.

The previous prime is 142417747. The next prime is 142417783. The reversal of 142417768 is 867714241.

It is a happy number.

142417768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142417768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90573 + ... + 92131.

It is an arithmetic number, because the mean of its divisors is an integer number (8804250).

Almost surely, 2^142417768 is an apocalyptic number.

It is an amenable number.

142417768 is a deficient number, since it is larger than the sum of its proper divisors (139318232).

142417768 is a wasteful number, since it uses less digits than its factorization.

142417768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2181 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 142417768 is about 11933.8915698107. The cubic root of 142417768 is about 522.2214725473.

The spelling of 142417768 in words is "one hundred forty-two million, four hundred seventeen thousand, seven hundred sixty-eight".