148246729 has 2 divisors, whose sum is σ = 148246730. Its totient is φ = 148246728.

The previous prime is 148246727. The next prime is 148246781. The reversal of 148246729 is 927642841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85599504 + 62647225 = 9252^2 + 7915^2 .

It is a cyclic number.

It is not a de Polignac number, because 148246729 - 2¹ = 148246727 is a prime.

Together with 148246727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (148246727) 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, 74123364 + 74123365.

It is an arithmetic number, because the mean of its divisors is an integer number (74123365).

Almost surely, 2^148246729 is an apocalyptic number.

It is an amenable number.

148246729 is a deficient number, since it is larger than the sum of its proper divisors (1).

148246729 is an equidigital number, since it uses as much as digits as its factorization.

148246729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 148246729 is about 12175.6613372745. The cubic root of 148246729 is about 529.2510234775.

The spelling of 148246729 in words is "one hundred forty-eight million, two hundred forty-six thousand, seven hundred twenty-nine".