148653149 has 2 divisors, whose sum is σ = 148653150. Its totient is φ = 148653148.

The previous prime is 148653137. The next prime is 148653173. The reversal of 148653149 is 941356841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83850649 + 64802500 = 9157^2 + 8050^2 .

It is an emirp because it is prime and its reverse (941356841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148653149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148653749) 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, 74326574 + 74326575.

It is an arithmetic number, because the mean of its divisors is an integer number (74326575).

Almost surely, 2^148653149 is an apocalyptic number.

It is an amenable number.

148653149 is a deficient number, since it is larger than the sum of its proper divisors (1).

148653149 is an equidigital number, since it uses as much as digits as its factorization.

148653149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 148653149 is about 12192.3397672473. The cubic root of 148653149 is about 529.7342312950.

The spelling of 148653149 in words is "one hundred forty-eight million, six hundred fifty-three thousand, one hundred forty-nine".