158922381140 has 24 divisors (see below), whose sum is σ = 333844064232. Its totient is φ = 63548559360.

The previous prime is 158922381133. The next prime is 158922381203. The reversal of 158922381140 is 41183229851.

It can be written as a sum of positive squares in 4 ways, for example, as 7618496656 + 151303884484 = 87284^2 + 388978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158922381091 and 158922381100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210589 + ... + 1335428.

It is an arithmetic number, because the mean of its divisors is an integer number (13910169343).

Almost surely, 2^158922381140 is an apocalyptic number.

158922381140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158922381140 is an abundant number, since it is smaller than the sum of its proper divisors (174921683092).

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

158922381140 is a wasteful number, since it uses less digits than its factorization.

158922381140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549147 (or 2549145 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 158922381140 in words is "one hundred fifty-eight billion, nine hundred twenty-two million, three hundred eighty-one thousand, one hundred forty".