148813279 has 2 divisors, whose sum is σ = 148813280. Its totient is φ = 148813278.

The previous prime is 148813271. The next prime is 148813307. The reversal of 148813279 is 972318841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148813279 - 2³ = 148813271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148813271) 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, 74406639 + 74406640.

It is an arithmetic number, because the mean of its divisors is an integer number (74406640).

Almost surely, 2^148813279 is an apocalyptic number.

148813279 is a deficient number, since it is larger than the sum of its proper divisors (1).

148813279 is an equidigital number, since it uses as much as digits as its factorization.

148813279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 148813279 is about 12198.9048278934. The cubic root of 148813279 is about 529.9243739252.

The spelling of 148813279 in words is "one hundred forty-eight million, eight hundred thirteen thousand, two hundred seventy-nine".