142771373522 has 18 divisors (see below), whose sum is σ = 215017347663. Its totient is φ = 71100070272.

The previous prime is 142771373491. The next prime is 142771373531. The reversal of 142771373522 is 225373177241.

142771373522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 70995069601 + 71776303921 = 266449^2 + 267911^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=267181.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 212141378 + ... + 212142050.

Almost surely, 2^142771373522 is an apocalyptic number.

142771373522 is a deficient number, since it is larger than the sum of its proper divisors (72245974141).

142771373522 is an frugal number, since it uses more digits than its factorization.

142771373522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 1072 counting only the distinct ones).

The product of its digits is 493920, while the sum is 44.

The spelling of 142771373522 in words is "one hundred forty-two billion, seven hundred seventy-one million, three hundred seventy-three thousand, five hundred twenty-two".