147161161 has 9 divisors (see below), whose sum is σ = 171286311. Its totient is φ = 126065352.

The previous prime is 147161159. The next prime is 147161171. The reversal of 147161161 is 161161741.

The square root of 147161161 is 12131.

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., 65367225 + 81793936 = 8085^2 + 9044^2 .

It is not a de Polignac number, because 147161161 - 2¹ = 147161159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147161101) 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, 84051 + ... + 85783.

Almost surely, 2^147161161 is an apocalyptic number.

147161161 is the 12131-st square number.

147161161 is the 6066-th centered octagonal number.

It is an amenable number.

147161161 is a deficient number, since it is larger than the sum of its proper divisors (24125150).

147161161 is an frugal number, since it uses more digits than its factorization.

147161161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 1740 counting only the distinct ones).

The product of its digits is 1008, while the sum is 28.

The cubic root of 147161161 is about 527.9560064834.

The spelling of 147161161 in words is "one hundred forty-seven million, one hundred sixty-one thousand, one hundred sixty-one".