148145802461 has 2 divisors, whose sum is σ = 148145802462. Its totient is φ = 148145802460.

The previous prime is 148145802451. The next prime is 148145802491. The reversal of 148145802461 is 164208541841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129261820900 + 18883981561 = 359530^2 + 137419^2 .

It is a cyclic number.

It is not a de Polignac number, because 148145802461 - 2⁶ = 148145802397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148145802401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74072901230 + 74072901231.

It is an arithmetic number, because the mean of its divisors is an integer number (74072901231).

Almost surely, 2^148145802461 is an apocalyptic number.

It is an amenable number.

148145802461 is a deficient number, since it is larger than the sum of its proper divisors (1).

148145802461 is an equidigital number, since it uses as much as digits as its factorization.

148145802461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 148145802461 in words is "one hundred forty-eight billion, one hundred forty-five million, eight hundred two thousand, four hundred sixty-one".