148279399 has 2 divisors, whose sum is σ = 148279400. Its totient is φ = 148279398.

The previous prime is 148279393. The next prime is 148279403. The reversal of 148279399 is 993972841.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (993972841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148279399 - 2²¹ = 146182247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148279393) 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, 74139699 + 74139700.

It is an arithmetic number, because the mean of its divisors is an integer number (74139700).

Almost surely, 2^148279399 is an apocalyptic number.

148279399 is a deficient number, since it is larger than the sum of its proper divisors (1).

148279399 is an equidigital number, since it uses as much as digits as its factorization.

148279399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 148279399 is about 12177.0028742708. The cubic root of 148279399 is about 529.2898986713.

The spelling of 148279399 in words is "one hundred forty-eight million, two hundred seventy-nine thousand, three hundred ninety-nine".