148332991 has 2 divisors, whose sum is σ = 148332992. Its totient is φ = 148332990.

The previous prime is 148332971. The next prime is 148333067. The reversal of 148332991 is 199233841.

It is a weak prime.

It is an emirp because it is prime and its reverse (199233841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148332991 - 2¹¹ = 148330943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148332901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74166495 + 74166496.

It is an arithmetic number, because the mean of its divisors is an integer number (74166496).

Almost surely, 2^148332991 is an apocalyptic number.

148332991 is a deficient number, since it is larger than the sum of its proper divisors (1).

148332991 is an equidigital number, since it uses as much as digits as its factorization.

148332991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 148332991 is about 12179.2032169596. The cubic root of 148332991 is about 529.3536573317.

The spelling of 148332991 in words is "one hundred forty-eight million, three hundred thirty-two thousand, nine hundred ninety-one".