148959971 has 2 divisors, whose sum is σ = 148959972. Its totient is φ = 148959970.

The previous prime is 148959959. The next prime is 148959977. The reversal of 148959971 is 179959841.

148959971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148959971 - 2⁶ = 148959907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148959977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74479985 + 74479986.

It is an arithmetic number, because the mean of its divisors is an integer number (74479986).

Almost surely, 2^148959971 is an apocalyptic number.

148959971 is a deficient number, since it is larger than the sum of its proper divisors (1).

148959971 is an equidigital number, since it uses as much as digits as its factorization.

148959971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 53.

The square root of 148959971 is about 12204.9158538681. The cubic root of 148959971 is about 530.0984402411.

The spelling of 148959971 in words is "one hundred forty-eight million, nine hundred fifty-nine thousand, nine hundred seventy-one".