142424747427 has 16 divisors (see below), whose sum is σ = 190072512000. Its totient is φ = 94863454464.

The previous prime is 142424747369. The next prime is 142424747449. The reversal of 142424747427 is 724747424241.

It is not a de Polignac number, because 142424747427 - 2¹⁵ = 142424714659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142424740427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25254274 + ... + 25259912.

It is an arithmetic number, because the mean of its divisors is an integer number (11879532000).

Almost surely, 2^142424747427 is an apocalyptic number.

142424747427 is a deficient number, since it is larger than the sum of its proper divisors (47647764573).

142424747427 is a wasteful number, since it uses less digits than its factorization.

142424747427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810.

The product of its digits is 2809856, while the sum is 48.

The spelling of 142424747427 in words is "one hundred forty-two billion, four hundred twenty-four million, seven hundred forty-seven thousand, four hundred twenty-seven".