147227189 has 4 divisors (see below), whose sum is σ = 147260256. Its totient is φ = 147194124.

The previous prime is 147227173. The next prime is 147227239. The reversal of 147227189 is 981722741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147227189 - 2⁴ = 147227173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147227159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8579 + ... + 19184.

It is an arithmetic number, because the mean of its divisors is an integer number (36815064).

Almost surely, 2^147227189 is an apocalyptic number.

It is an amenable number.

147227189 is a deficient number, since it is larger than the sum of its proper divisors (33067).

147227189 is an equidigital number, since it uses as much as digits as its factorization.

147227189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33066.

The product of its digits is 56448, while the sum is 41.

The square root of 147227189 is about 12133.7211522270. The cubic root of 147227189 is about 528.0349554548.

The spelling of 147227189 in words is "one hundred forty-seven million, two hundred twenty-seven thousand, one hundred eighty-nine".