142405146873 has 60 divisors (see below), whose sum is σ = 233310339504. Its totient is φ = 86199730200.

The previous prime is 142405146749. The next prime is 142405146883. The reversal of 142405146873 is 378641504241.

142405146873 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 0 + 514 + 68 + 73 = 666.

It is not a de Polignac number, because 142405146873 - 2⁹ = 142405146361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142405146883) 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 in 59 ways as a sum of consecutive naturals, for example, 175591638 + ... + 175592448.

Almost surely, 2^142405146873 is an apocalyptic number.

It is an amenable number.

142405146873 is a deficient number, since it is larger than the sum of its proper divisors (90905192631).

142405146873 is an frugal number, since it uses more digits than its factorization.

142405146873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 142405146873 in words is "one hundred forty-two billion, four hundred five million, one hundred forty-six thousand, eight hundred seventy-three".