148842152521 has 2 divisors, whose sum is σ = 148842152522. Its totient is φ = 148842152520.

The previous prime is 148842152483. The next prime is 148842152527. The reversal of 148842152521 is 125251248841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148833152521 + 9000000 = 385789^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 148842152521 - 2⁹ = 148842152009 is a prime.

It is not a weakly prime, because it can be changed into another prime (148842152527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74421076260 + 74421076261.

It is an arithmetic number, because the mean of its divisors is an integer number (74421076261).

Almost surely, 2^148842152521 is an apocalyptic number.

It is an amenable number.

148842152521 is a deficient number, since it is larger than the sum of its proper divisors (1).

148842152521 is an equidigital number, since it uses as much as digits as its factorization.

148842152521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204800, while the sum is 43.

The spelling of 148842152521 in words is "one hundred forty-eight billion, eight hundred forty-two million, one hundred fifty-two thousand, five hundred twenty-one".