184442189 has 2 divisors, whose sum is σ = 184442190. Its totient is φ = 184442188.

The previous prime is 184442171. The next prime is 184442207. The reversal of 184442189 is 981244481.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (184442171) and next prime (184442207).

It can be written as a sum of positive squares in only one way, i.e., 184009225 + 432964 = 13565^2 + 658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-184442189 is a prime.

It is a super-2 number, since 2×184442189² = 68037842166223442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (184442119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92221094 + 92221095.

It is an arithmetic number, because the mean of its divisors is an integer number (92221095).

Almost surely, 2^184442189 is an apocalyptic number.

It is an amenable number.

184442189 is a deficient number, since it is larger than the sum of its proper divisors (1).

184442189 is an equidigital number, since it uses as much as digits as its factorization.

184442189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 41.

The square root of 184442189 is about 13580.9494881617. The cubic root of 184442189 is about 569.2286570847.

The spelling of 184442189 in words is "one hundred eighty-four million, four hundred forty-two thousand, one hundred eighty-nine".