149237189 has 2 divisors, whose sum is σ = 149237190. Its totient is φ = 149237188.

The previous prime is 149237177. The next prime is 149237197. The reversal of 149237189 is 981732941.

149237189 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., 147428164 + 1809025 = 12142^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 149237189 - 2²⁴ = 132459973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149237129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74618594 + 74618595.

It is an arithmetic number, because the mean of its divisors is an integer number (74618595).

Almost surely, 2^149237189 is an apocalyptic number.

It is an amenable number.

149237189 is a deficient number, since it is larger than the sum of its proper divisors (1).

149237189 is an equidigital number, since it uses as much as digits as its factorization.

149237189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 149237189 is about 12216.2673922930. The cubic root of 149237189 is about 530.4270783347.

The spelling of 149237189 in words is "one hundred forty-nine million, two hundred thirty-seven thousand, one hundred eighty-nine".