148657241 has 2 divisors, whose sum is σ = 148657242. Its totient is φ = 148657240.

The previous prime is 148657213. The next prime is 148657247. The reversal of 148657241 is 142756841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127690000 + 20967241 = 11300^2 + 4579^2 .

It is a cyclic number.

It is not a de Polignac number, because 148657241 - 2¹⁰ = 148656217 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148657195 and 148657204.

It is not a weakly prime, because it can be changed into another prime (148657247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74328620 + 74328621.

It is an arithmetic number, because the mean of its divisors is an integer number (74328621).

Almost surely, 2^148657241 is an apocalyptic number.

It is an amenable number.

148657241 is a deficient number, since it is larger than the sum of its proper divisors (1).

148657241 is an equidigital number, since it uses as much as digits as its factorization.

148657241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 148657241 is about 12192.5075763766. The cubic root of 148657241 is about 529.7390919445.

The spelling of 148657241 in words is "one hundred forty-eight million, six hundred fifty-seven thousand, two hundred forty-one".