158460521041 has 9 divisors (see below), whose sum is σ = 163749794139. Its totient is φ = 153336949200.

The previous prime is 158460521039. The next prime is 158460521047. The reversal of 158460521041 is 140125064851.

The square root of 158460521041 is 398071.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 74267695441 + 84192825600 = 272521^2 + 290160^2 .

It is not a de Polignac number, because 158460521041 - 2¹ = 158460521039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158460521047) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12333781 + ... + 12346621.

It is an arithmetic number, because the mean of its divisors is an integer number (18194421571).

Almost surely, 2^158460521041 is an apocalyptic number.

158460521041 is the 398071-st square number.

158460521041 is the 199036-th centered octagonal number.

It is an amenable number.

158460521041 is a deficient number, since it is larger than the sum of its proper divisors (5289273098).

158460521041 is an frugal number, since it uses more digits than its factorization.

158460521041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25744 (or 12872 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

Adding to 158460521041 its reverse (140125064851), we get a palindrome (298585585892).

The spelling of 158460521041 in words is "one hundred fifty-eight billion, four hundred sixty million, five hundred twenty-one thousand, forty-one".