141158161 has 5 divisors (see below), whose sum is σ = 142465181. Its totient is φ = 139863132.

The previous prime is 141158117. The next prime is 141158189. The reversal of 141158161 is 161851141.

The square root of 141158161 is 11881.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21911761 + 119246400 = 4681^2 + 10920^2 .

It is not a de Polignac number, because 141158161 - 2²⁷ = 6940433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141158111) by changing a digit.

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 4 ways as a sum of consecutive naturals, for example, 1294975 + ... + 1295083.

Almost surely, 2^141158161 is an apocalyptic number.

141158161 is the 11881-st square number.

141158161 is the 5941-st centered octagonal number.

It is an amenable number.

141158161 is a deficient number, since it is larger than the sum of its proper divisors (1307020).

141158161 is an frugal number, since it uses more digits than its factorization.

141158161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 109 counting only the distinct ones).

The product of its digits is 960, while the sum is 28.

The cubic root of 141158161 is about 520.6773237328.

The spelling of 141158161 in words is "one hundred forty-one million, one hundred fifty-eight thousand, one hundred sixty-one".