148251066785 has 4 divisors (see below), whose sum is σ = 177901280148. Its totient is φ = 118600853424.

The previous prime is 148251066707. The next prime is 148251066791. The reversal of 148251066785 is 587660152841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 587660152841 = 109 ⋅5391377549.

It can be written as a sum of positive squares in 2 ways, for example, as 117109052944 + 31142013841 = 342212^2 + 176471^2 .

It is a cyclic number.

It is not a de Polignac number, because 148251066785 - 2¹⁰ = 148251065761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14825106674 + ... + 14825106683.

It is an arithmetic number, because the mean of its divisors is an integer number (44475320037).

Almost surely, 2^148251066785 is an apocalyptic number.

It is an amenable number.

148251066785 is a deficient number, since it is larger than the sum of its proper divisors (29650213363).

148251066785 is an equidigital number, since it uses as much as digits as its factorization.

148251066785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29650213362.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 148251066785 in words is "one hundred forty-eight billion, two hundred fifty-one million, sixty-six thousand, seven hundred eighty-five".