148387633 has 2 divisors, whose sum is σ = 148387634. Its totient is φ = 148387632.

The previous prime is 148387621. The next prime is 148387639. The reversal of 148387633 is 336783841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147695409 + 692224 = 12153^2 + 832^2 .

It is an emirp because it is prime and its reverse (336783841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148387633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148387633.

It is not a weakly prime, because it can be changed into another prime (148387639) 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, 74193816 + 74193817.

It is an arithmetic number, because the mean of its divisors is an integer number (74193817).

Almost surely, 2^148387633 is an apocalyptic number.

It is an amenable number.

148387633 is a deficient number, since it is larger than the sum of its proper divisors (1).

148387633 is an equidigital number, since it uses as much as digits as its factorization.

148387633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 148387633 is about 12181.4462606047. The cubic root of 148387633 is about 529.4186493728.

The spelling of 148387633 in words is "one hundred forty-eight million, three hundred eighty-seven thousand, six hundred thirty-three".