142775555028 has 12 divisors (see below), whose sum is σ = 333142961760. Its totient is φ = 47591851672.

The previous prime is 142775554997. The next prime is 142775555089. The reversal of 142775555028 is 820555577241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×142775555028² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 5948981448 + ... + 5948981471.

It is an arithmetic number, because the mean of its divisors is an integer number (27761913480).

Almost surely, 2^142775555028 is an apocalyptic number.

It is an amenable number.

142775555028 is an abundant number, since it is smaller than the sum of its proper divisors (190367406732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142775555028 is a wasteful number, since it uses less digits than its factorization.

142775555028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11897962926 (or 11897962924 counting only the distinct ones).

The product of its (nonzero) digits is 3920000, while the sum is 51.

The spelling of 142775555028 in words is "one hundred forty-two billion, seven hundred seventy-five million, five hundred fifty-five thousand, twenty-eight".