148314889 has 2 divisors, whose sum is σ = 148314890. Its totient is φ = 148314888.

The previous prime is 148314877. The next prime is 148314937. The reversal of 148314889 is 988413841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139712400 + 8602489 = 11820^2 + 2933^2 .

It is an emirp because it is prime and its reverse (988413841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148314889 - 2⁵ = 148314857 is a prime.

It is not a weakly prime, because it can be changed into another prime (148314989) 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, 74157444 + 74157445.

It is an arithmetic number, because the mean of its divisors is an integer number (74157445).

Almost surely, 2^148314889 is an apocalyptic number.

It is an amenable number.

148314889 is a deficient number, since it is larger than the sum of its proper divisors (1).

148314889 is an equidigital number, since it uses as much as digits as its factorization.

148314889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 46.

The square root of 148314889 is about 12178.4600422221. The cubic root of 148314889 is about 529.3321230130.

The spelling of 148314889 in words is "one hundred forty-eight million, three hundred fourteen thousand, eight hundred eighty-nine".