148040838221 has 2 divisors, whose sum is σ = 148040838222. Its totient is φ = 148040838220.

The previous prime is 148040838161. The next prime is 148040838229. The reversal of 148040838221 is 122838040841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108086425225 + 39954412996 = 328765^2 + 199886^2 .

It is a cyclic number.

It is not a de Polignac number, because 148040838221 - 2¹⁴ = 148040821837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148040838229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74020419110 + 74020419111.

It is an arithmetic number, because the mean of its divisors is an integer number (74020419111).

Almost surely, 2^148040838221 is an apocalyptic number.

It is an amenable number.

148040838221 is a deficient number, since it is larger than the sum of its proper divisors (1).

148040838221 is an equidigital number, since it uses as much as digits as its factorization.

148040838221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 148040838221 in words is "one hundred forty-eight billion, forty million, eight hundred thirty-eight thousand, two hundred twenty-one".