148587149 has 2 divisors, whose sum is σ = 148587150. Its totient is φ = 148587148.

The previous prime is 148587137. The next prime is 148587211. The reversal of 148587149 is 941785841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103938025 + 44649124 = 10195^2 + 6682^2 .

It is a cyclic number.

It is not a de Polignac number, because 148587149 - 2⁴ = 148587133 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 (148587119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74293574 + 74293575.

It is an arithmetic number, because the mean of its divisors is an integer number (74293575).

Almost surely, 2^148587149 is an apocalyptic number.

It is an amenable number.

148587149 is a deficient number, since it is larger than the sum of its proper divisors (1).

148587149 is an equidigital number, since it uses as much as digits as its factorization.

148587149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 47.

The square root of 148587149 is about 12189.6328492699. The cubic root of 148587149 is about 529.6558213968.

The spelling of 148587149 in words is "one hundred forty-eight million, five hundred eighty-seven thousand, one hundred forty-nine".