148229761 has 2 divisors, whose sum is σ = 148229762. Its totient is φ = 148229760.

The previous prime is 148229747. The next prime is 148229789. The reversal of 148229761 is 167922841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134212225 + 14017536 = 11585^2 + 3744^2 .

It is a cyclic number.

It is not a de Polignac number, because 148229761 - 2¹¹ = 148227713 is a prime.

It is a super-2 number, since 2×148229761² = 43944124092234242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148229791) 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, 74114880 + 74114881.

It is an arithmetic number, because the mean of its divisors is an integer number (74114881).

Almost surely, 2^148229761 is an apocalyptic number.

It is an amenable number.

148229761 is a deficient number, since it is larger than the sum of its proper divisors (1).

148229761 is an equidigital number, since it uses as much as digits as its factorization.

148229761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 148229761 is about 12174.9645174021. The cubic root of 148229761 is about 529.2308303979.

The spelling of 148229761 in words is "one hundred forty-eight million, two hundred twenty-nine thousand, seven hundred sixty-one".