148289971 has 2 divisors, whose sum is σ = 148289972. Its totient is φ = 148289970.

The previous prime is 148289923. The next prime is 148289983. The reversal of 148289971 is 179982841.

It is a strong prime.

It is an emirp because it is prime and its reverse (179982841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148289971 - 2⁹ = 148289459 is a prime.

It is not a weakly prime, because it can be changed into another prime (148280971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74144985 + 74144986.

It is an arithmetic number, because the mean of its divisors is an integer number (74144986).

Almost surely, 2^148289971 is an apocalyptic number.

148289971 is a deficient number, since it is larger than the sum of its proper divisors (1).

148289971 is an equidigital number, since it uses as much as digits as its factorization.

148289971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 49.

The square root of 148289971 is about 12177.4369634993. The cubic root of 148289971 is about 529.3024774468.

The spelling of 148289971 in words is "one hundred forty-eight million, two hundred eighty-nine thousand, nine hundred seventy-one".