142872157873 has 4 divisors (see below), whose sum is σ = 149083990848. Its totient is φ = 136660324900.

The previous prime is 142872157859. The next prime is 142872157913. The reversal of 142872157873 is 378751278241.

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 a cyclic number.

It is not a de Polignac number, because 142872157873 - 2²¹ = 142870060721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142872157073) 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 3 ways as a sum of consecutive naturals, for example, 3105916453 + ... + 3105916498.

It is an arithmetic number, because the mean of its divisors is an integer number (37270997712).

Almost surely, 2^142872157873 is an apocalyptic number.

It is an amenable number.

142872157873 is a deficient number, since it is larger than the sum of its proper divisors (6211832975).

142872157873 is an equidigital number, since it uses as much as digits as its factorization.

142872157873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211832974.

The product of its digits is 5268480, while the sum is 55.

The spelling of 142872157873 in words is "one hundred forty-two billion, eight hundred seventy-two million, one hundred fifty-seven thousand, eight hundred seventy-three".