148529971 has 2 divisors, whose sum is σ = 148529972. Its totient is φ = 148529970.

The previous prime is 148529957. The next prime is 148529981. The reversal of 148529971 is 179925841.

148529971 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 148529971 - 2¹¹ = 148527923 is a prime.

It is a super-2 number, since 2×148529971² = 44122304570521682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148529981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74264985 + 74264986.

It is an arithmetic number, because the mean of its divisors is an integer number (74264986).

Almost surely, 2^148529971 is an apocalyptic number.

148529971 is a deficient number, since it is larger than the sum of its proper divisors (1).

148529971 is an equidigital number, since it uses as much as digits as its factorization.

148529971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 46.

The square root of 148529971 is about 12187.2872699383. The cubic root of 148529971 is about 529.5878735152.

The spelling of 148529971 in words is "one hundred forty-eight million, five hundred twenty-nine thousand, nine hundred seventy-one".