148881077 has 2 divisors, whose sum is σ = 148881078. Its totient is φ = 148881076.

The previous prime is 148881067. The next prime is 148881097. The reversal of 148881077 is 770188841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109014481 + 39866596 = 10441^2 + 6314^2 .

It is an emirp because it is prime and its reverse (770188841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148881077 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 (148881037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74440538 + 74440539.

It is an arithmetic number, because the mean of its divisors is an integer number (74440539).

Almost surely, 2^148881077 is an apocalyptic number.

It is an amenable number.

148881077 is a deficient number, since it is larger than the sum of its proper divisors (1).

148881077 is an equidigital number, since it uses as much as digits as its factorization.

148881077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100352, while the sum is 44.

The square root of 148881077 is about 12201.6833674702. The cubic root of 148881077 is about 530.0048379765.

The spelling of 148881077 in words is "one hundred forty-eight million, eight hundred eighty-one thousand, seventy-seven".