142262775973 has 4 divisors (see below), whose sum is σ = 143861234220. Its totient is φ = 140664317728.

The previous prime is 142262775961. The next prime is 142262775989. The reversal of 142262775973 is 379577262241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379577262241 = 83 ⋅4573220027.

It can be written as a sum of positive squares in 2 ways, for example, as 50903481924 + 91359294049 = 225618^2 + 302257^2 .

It is a de Polignac number, because none of the positive numbers 2^k-142262775973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142262775913) 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, 799228990 + ... + 799229167.

It is an arithmetic number, because the mean of its divisors is an integer number (35965308555).

Almost surely, 2^142262775973 is an apocalyptic number.

It is an amenable number.

142262775973 is a deficient number, since it is larger than the sum of its proper divisors (1598458247).

142262775973 is an equidigital number, since it uses as much as digits as its factorization.

142262775973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598458246.

The product of its digits is 8890560, while the sum is 55.

The spelling of 142262775973 in words is "one hundred forty-two billion, two hundred sixty-two million, seven hundred seventy-five thousand, nine hundred seventy-three".