148238899 has 2 divisors, whose sum is σ = 148238900. Its totient is φ = 148238898.

The previous prime is 148238891. The next prime is 148238917. The reversal of 148238899 is 998832841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148238899 - 2³ = 148238891 is a prime.

It is not a weakly prime, because it can be changed into another prime (148238891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74119449 + 74119450.

It is an arithmetic number, because the mean of its divisors is an integer number (74119450).

Almost surely, 2^148238899 is an apocalyptic number.

148238899 is a deficient number, since it is larger than the sum of its proper divisors (1).

148238899 is an equidigital number, since it uses as much as digits as its factorization.

148238899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 52.

The square root of 148238899 is about 12175.3397899196. The cubic root of 148238899 is about 529.2417054338.

The spelling of 148238899 in words is "one hundred forty-eight million, two hundred thirty-eight thousand, eight hundred ninety-nine".