148072961 has 2 divisors, whose sum is σ = 148072962. Its totient is φ = 148072960.

The previous prime is 148072921. The next prime is 148072963. The reversal of 148072961 is 169270841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135955600 + 12117361 = 11660^2 + 3481^2 .

It is an emirp because it is prime and its reverse (169270841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148072961 - 2²⁶ = 80964097 is a prime.

Together with 148072963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148072963) 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 as a sum of consecutive naturals, namely, 74036480 + 74036481.

It is an arithmetic number, because the mean of its divisors is an integer number (74036481).

Almost surely, 2^148072961 is an apocalyptic number.

It is an amenable number.

148072961 is a deficient number, since it is larger than the sum of its proper divisors (1).

148072961 is an equidigital number, since it uses as much as digits as its factorization.

148072961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 148072961 is about 12168.5233697438. The cubic root of 148072961 is about 529.0441547234.

The spelling of 148072961 in words is "one hundred forty-eight million, seventy-two thousand, nine hundred sixty-one".