142718384 has 10 divisors (see below), whose sum is σ = 276516900. Its totient is φ = 71359184.

The previous prime is 142718371. The next prime is 142718393. The reversal of 142718384 is 483817241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4459934 + ... + 4459965.

It is an arithmetic number, because the mean of its divisors is an integer number (27651690).

Almost surely, 2^142718384 is an apocalyptic number.

It is an amenable number.

142718384 is a deficient number, since it is larger than the sum of its proper divisors (133798516).

142718384 is an equidigital number, since it uses as much as digits as its factorization.

142718384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919907 (or 8919901 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 142718384 is about 11946.4799836605. The cubic root of 142718384 is about 522.5886500530.

The spelling of 142718384 in words is "one hundred forty-two million, seven hundred eighteen thousand, three hundred eighty-four".