142421419973 has 24 divisors (see below), whose sum is σ = 170209790016. Its totient is φ = 116728128000.

The previous prime is 142421419949. The next prime is 142421420017. The reversal of 142421419973 is 379914124241.

142421419973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142421419973 - 2⁶ = 142421419909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421413973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16477733 + ... + 16486373.

It is an arithmetic number, because the mean of its divisors is an integer number (7092074584).

Almost surely, 2^142421419973 is an apocalyptic number.

It is an amenable number.

142421419973 is a deficient number, since it is larger than the sum of its proper divisors (27788370043).

142421419973 is an equidigital number, since it uses as much as digits as its factorization.

142421419973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13145 (or 13122 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The spelling of 142421419973 in words is "one hundred forty-two billion, four hundred twenty-one million, four hundred nineteen thousand, nine hundred seventy-three".