147775161 has 8 divisors (see below), whose sum is σ = 205600320. Its totient is φ = 94233392.

The previous prime is 147775157. The next prime is 147775163. The reversal of 147775161 is 161577741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147775161 - 2² = 147775157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147775163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070766 + ... + 1070903.

It is an arithmetic number, because the mean of its divisors is an integer number (25700040).

Almost surely, 2^147775161 is an apocalyptic number.

It is an amenable number.

147775161 is a deficient number, since it is larger than the sum of its proper divisors (57825159).

147775161 is a wasteful number, since it uses less digits than its factorization.

147775161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141695.

The product of its digits is 41160, while the sum is 39.

The square root of 147775161 is about 12156.2807223262. The cubic root of 147775161 is about 528.6892506591.

The spelling of 147775161 in words is "one hundred forty-seven million, seven hundred seventy-five thousand, one hundred sixty-one".