148539233 has 2 divisors, whose sum is σ = 148539234. Its totient is φ = 148539232.

The previous prime is 148539227. The next prime is 148539241. The reversal of 148539233 is 332935841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121374289 + 27164944 = 11017^2 + 5212^2 .

It is a cyclic number.

It is not a de Polignac number, because 148539233 - 2⁸ = 148538977 is a prime.

It is not a weakly prime, because it can be changed into another prime (148539203) 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, 74269616 + 74269617.

It is an arithmetic number, because the mean of its divisors is an integer number (74269617).

Almost surely, 2^148539233 is an apocalyptic number.

It is an amenable number.

148539233 is a deficient number, since it is larger than the sum of its proper divisors (1).

148539233 is an equidigital number, since it uses as much as digits as its factorization.

148539233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 148539233 is about 12187.6672501345. The cubic root of 148539233 is about 529.5988812620.

The spelling of 148539233 in words is "one hundred forty-eight million, five hundred thirty-nine thousand, two hundred thirty-three".