148842271 has 2 divisors, whose sum is σ = 148842272. Its totient is φ = 148842270.

The previous prime is 148842263. The next prime is 148842299. The reversal of 148842271 is 172248841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148842271 - 2³ = 148842263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148842271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148842571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74421135 + 74421136.

It is an arithmetic number, because the mean of its divisors is an integer number (74421136).

Almost surely, 2^148842271 is an apocalyptic number.

148842271 is a deficient number, since it is larger than the sum of its proper divisors (1).

148842271 is an equidigital number, since it uses as much as digits as its factorization.

148842271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28672, while the sum is 37.

The square root of 148842271 is about 12200.0930734155. The cubic root of 148842271 is about 529.9587852132.

The spelling of 148842271 in words is "one hundred forty-eight million, eight hundred forty-two thousand, two hundred seventy-one".