147861171 has 6 divisors (see below), whose sum is σ = 213577260. Its totient is φ = 98574108.

The previous prime is 147861157. The next prime is 147861199. The reversal of 147861171 is 171168741.

It is not a de Polignac number, because 147861171 - 2⁹ = 147860659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147861151) 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 5 ways as a sum of consecutive naturals, for example, 8214501 + ... + 8214518.

It is an arithmetic number, because the mean of its divisors is an integer number (35596210).

Almost surely, 2^147861171 is an apocalyptic number.

147861171 is a deficient number, since it is larger than the sum of its proper divisors (65716089).

147861171 is a wasteful number, since it uses less digits than its factorization.

147861171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16429025 (or 16429022 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 147861171 is about 12159.8178851494. The cubic root of 147861171 is about 528.7918022716.

The spelling of 147861171 in words is "one hundred forty-seven million, eight hundred sixty-one thousand, one hundred seventy-one".