142455231273 has 4 divisors (see below), whose sum is σ = 189940308368. Its totient is φ = 94970154180.

The previous prime is 142455231251. The next prime is 142455231287. The reversal of 142455231273 is 372132554241.

142455231273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142455231273 - 2⁵ = 142455231241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142455231773) 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 3 ways as a sum of consecutive naturals, for example, 23742538543 + ... + 23742538548.

It is an arithmetic number, because the mean of its divisors is an integer number (47485077092).

Almost surely, 2^142455231273 is an apocalyptic number.

It is an amenable number.

142455231273 is a deficient number, since it is larger than the sum of its proper divisors (47485077095).

142455231273 is an equidigital number, since it uses as much as digits as its factorization.

142455231273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47485077094.

The product of its digits is 201600, while the sum is 39.

The spelling of 142455231273 in words is "one hundred forty-two billion, four hundred fifty-five million, two hundred thirty-one thousand, two hundred seventy-three".