148243580971 has 4 divisors (see below), whose sum is σ = 148378717512. Its totient is φ = 148108444432.

The previous prime is 148243580963. The next prime is 148243580981. The reversal of 148243580971 is 179085342841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179085342841 = 390199 ⋅458959.

It is a cyclic number.

It is not a de Polignac number, because 148243580971 - 2³ = 148243580963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148243580981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67566625 + ... + 67568818.

It is an arithmetic number, because the mean of its divisors is an integer number (37094679378).

Almost surely, 2^148243580971 is an apocalyptic number.

148243580971 is a deficient number, since it is larger than the sum of its proper divisors (135136541).

148243580971 is a wasteful number, since it uses less digits than its factorization.

148243580971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135136540.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 148243580971 in words is "one hundred forty-eight billion, two hundred forty-three million, five hundred eighty thousand, nine hundred seventy-one".