148995239 has 2 divisors, whose sum is σ = 148995240. Its totient is φ = 148995238.

The previous prime is 148995221. The next prime is 148995251. The reversal of 148995239 is 932599841.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148995239 - 2⁸ = 148994983 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 (148995289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74497619 + 74497620.

It is an arithmetic number, because the mean of its divisors is an integer number (74497620).

Almost surely, 2^148995239 is an apocalyptic number.

148995239 is a deficient number, since it is larger than the sum of its proper divisors (1).

148995239 is an equidigital number, since it uses as much as digits as its factorization.

148995239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 50.

The square root of 148995239 is about 12206.3605960171. The cubic root of 148995239 is about 530.1402725902.

The spelling of 148995239 in words is "one hundred forty-eight million, nine hundred ninety-five thousand, two hundred thirty-nine".