158454771044 has 24 divisors (see below), whose sum is σ = 279155837688. Its totient is φ = 78696990720.

The previous prime is 158454770861. The next prime is 158454771049. The reversal of 158454771044 is 440177454851.

158454771044 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 4 ways, for example, as 27925752100 + 130529018944 = 167110^2 + 361288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158454770983 and 158454771001.

It is not an unprimeable number, because it can be changed into a prime (158454771049) 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 7 ways as a sum of consecutive naturals, for example, 489284 + ... + 745860.

It is an arithmetic number, because the mean of its divisors is an integer number (11631493237).

Almost surely, 2^158454771044 is an apocalyptic number.

It is an amenable number.

158454771044 is a deficient number, since it is larger than the sum of its proper divisors (120701066644).

158454771044 is a wasteful number, since it uses less digits than its factorization.

158454771044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257615 (or 257613 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 50.

The spelling of 158454771044 in words is "one hundred fifty-eight billion, four hundred fifty-four million, seven hundred seventy-one thousand, forty-four".