148619533 has 2 divisors, whose sum is σ = 148619534. Its totient is φ = 148619532.

The previous prime is 148619531. The next prime is 148619573. The reversal of 148619533 is 335916841.

It is an a-pointer prime, because the next prime (148619573) can be obtained adding 148619533 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101243844 + 47375689 = 10062^2 + 6883^2 .

It is a cyclic number.

It is not a de Polignac number, because 148619533 - 2¹ = 148619531 is a prime.

Together with 148619531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148619531) 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, 74309766 + 74309767.

It is an arithmetic number, because the mean of its divisors is an integer number (74309767).

Almost surely, 2^148619533 is an apocalyptic number.

It is an amenable number.

148619533 is a deficient number, since it is larger than the sum of its proper divisors (1).

148619533 is an equidigital number, since it uses as much as digits as its factorization.

148619533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 148619533 is about 12190.9611187962. The cubic root of 148619533 is about 529.6942974209.

The spelling of 148619533 in words is "one hundred forty-eight million, six hundred nineteen thousand, five hundred thirty-three".