148219933 has 2 divisors, whose sum is σ = 148219934. Its totient is φ = 148219932.

The previous prime is 148219909. The next prime is 148219943. The reversal of 148219933 is 339912841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108618084 + 39601849 = 10422^2 + 6293^2 .

It is a cyclic number.

It is not a de Polignac number, because 148219933 - 2⁵ = 148219901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148219943) 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, 74109966 + 74109967.

It is an arithmetic number, because the mean of its divisors is an integer number (74109967).

Almost surely, 2^148219933 is an apocalyptic number.

It is an amenable number.

148219933 is a deficient number, since it is larger than the sum of its proper divisors (1).

148219933 is an equidigital number, since it uses as much as digits as its factorization.

148219933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 148219933 is about 12174.5608955724. The cubic root of 148219933 is about 529.2191337014.

The spelling of 148219933 in words is "one hundred forty-eight million, two hundred nineteen thousand, nine hundred thirty-three".