158004434773 has 4 divisors (see below), whose sum is σ = 162274824940. Its totient is φ = 153734044608.

The previous prime is 158004434747. The next prime is 158004434869. The reversal of 158004434773 is 377434400851.

158004434773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 377434400851 = 4177 ⋅90360163.

It can be written as a sum of positive squares in 2 ways, for example, as 78177278404 + 79827156369 = 279602^2 + 282537^2 .

It is a cyclic number.

It is not a de Polignac number, because 158004434773 - 2¹⁷ = 158004303701 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 (158004434873) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2135195028 + ... + 2135195101.

It is an arithmetic number, because the mean of its divisors is an integer number (40568706235).

Almost surely, 2^158004434773 is an apocalyptic number.

It is an amenable number.

158004434773 is a deficient number, since it is larger than the sum of its proper divisors (4270390167).

158004434773 is an equidigital number, since it uses as much as digits as its factorization.

158004434773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270390166.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 158004434773 in words is "one hundred fifty-eight billion, four million, four hundred thirty-four thousand, seven hundred seventy-three".