185010149 has 2 divisors, whose sum is σ = 185010150. Its totient is φ = 185010148.

The previous prime is 185010131. The next prime is 185010181. The reversal of 185010149 is 941010581.

185010149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170433025 + 14577124 = 13055^2 + 3818^2 .

It is a cyclic number.

It is not a de Polignac number, because 185010149 - 2⁸ = 185009893 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185010349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92505074 + 92505075.

It is an arithmetic number, because the mean of its divisors is an integer number (92505075).

Almost surely, 2^185010149 is an apocalyptic number.

It is an amenable number.

185010149 is a deficient number, since it is larger than the sum of its proper divisors (1).

185010149 is an equidigital number, since it uses as much as digits as its factorization.

185010149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 185010149 is about 13601.8435882788. The cubic root of 185010149 is about 569.8123410151.

The spelling of 185010149 in words is "one hundred eighty-five million, ten thousand, one hundred forty-nine".