148494571 has 2 divisors, whose sum is σ = 148494572. Its totient is φ = 148494570.

The previous prime is 148494569. The next prime is 148494581. The reversal of 148494571 is 175494841.

It is a weak prime.

It is an emirp because it is prime and its reverse (175494841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148494571 - 2¹ = 148494569 is a prime.

Together with 148494569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (148494551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74247285 + 74247286.

It is an arithmetic number, because the mean of its divisors is an integer number (74247286).

Almost surely, 2^148494571 is an apocalyptic number.

148494571 is a deficient number, since it is larger than the sum of its proper divisors (1).

148494571 is an equidigital number, since it uses as much as digits as its factorization.

148494571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 148494571 is about 12185.8348503498. The cubic root of 148494571 is about 529.5457969337.

The spelling of 148494571 in words is "one hundred forty-eight million, four hundred ninety-four thousand, five hundred seventy-one".