189848149 has 2 divisors, whose sum is σ = 189848150. Its totient is φ = 189848148.

The previous prime is 189848137. The next prime is 189848159. The reversal of 189848149 is 941848981.

189848149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172081924 + 17766225 = 13118^2 + 4215^2 .

It is a cyclic number.

It is not a de Polignac number, because 189848149 - 2¹³ = 189839957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189848096 and 189848105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189848119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94924074 + 94924075.

It is an arithmetic number, because the mean of its divisors is an integer number (94924075).

Almost surely, 2^189848149 is an apocalyptic number.

It is an amenable number.

189848149 is a deficient number, since it is larger than the sum of its proper divisors (1).

189848149 is an equidigital number, since it uses as much as digits as its factorization.

189848149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 52.

The square root of 189848149 is about 13778.5394363844. The cubic root of 189848149 is about 574.7365134315.

The spelling of 189848149 in words is "one hundred eighty-nine million, eight hundred forty-eight thousand, one hundred forty-nine".