148785432773 has 2 divisors, whose sum is σ = 148785432774. Its totient is φ = 148785432772.

The previous prime is 148785432703. The next prime is 148785432779. The reversal of 148785432773 is 377234587841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148785318529 + 114244 = 385727^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 148785432773 - 2¹² = 148785428677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148785432779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74392716386 + 74392716387.

It is an arithmetic number, because the mean of its divisors is an integer number (74392716387).

Almost surely, 2^148785432773 is an apocalyptic number.

It is an amenable number.

148785432773 is a deficient number, since it is larger than the sum of its proper divisors (1).

148785432773 is an equidigital number, since it uses as much as digits as its factorization.

148785432773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31610880, while the sum is 59.

The spelling of 148785432773 in words is "one hundred forty-eight billion, seven hundred eighty-five million, four hundred thirty-two thousand, seven hundred seventy-three".