148808081 has 2 divisors, whose sum is σ = 148808082. Its totient is φ = 148808080.

The previous prime is 148808069. The next prime is 148808141. The reversal of 148808081 is 180808841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 50481025 = 9916^2 + 7105^2 .

It is an emirp because it is prime and its reverse (180808841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148808081 - 2⁶ = 148808017 is a prime.

It is a super-2 number, since 2×148808081² = 44287689941805122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148808281) 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, 74404040 + 74404041.

It is an arithmetic number, because the mean of its divisors is an integer number (74404041).

Almost surely, 2^148808081 is an apocalyptic number.

It is an amenable number.

148808081 is a deficient number, since it is larger than the sum of its proper divisors (1).

148808081 is an equidigital number, since it uses as much as digits as its factorization.

148808081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 38.

The square root of 148808081 is about 12198.6917741207. The cubic root of 148808081 is about 529.9182038240.

The spelling of 148808081 in words is "one hundred forty-eight million, eight hundred eight thousand, eighty-one".