860148385 has 4 divisors (see below), whose sum is σ = 1032178068. Its totient is φ = 688118704.

The previous prime is 860148383. The next prime is 860148391. The reversal of 860148385 is 583841068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 416119201 + 444029184 = 20399^2 + 21072^2 .

It is a cyclic number.

It is not a de Polignac number, because 860148385 - 2¹ = 860148383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860148383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86014834 + ... + 86014843.

It is an arithmetic number, because the mean of its divisors is an integer number (258044517).

Almost surely, 2^860148385 is an apocalyptic number.

It is an amenable number.

860148385 is a deficient number, since it is larger than the sum of its proper divisors (172029683).

860148385 is a wasteful number, since it uses less digits than its factorization.

860148385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172029682.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 860148385 is about 29328.2864313618. The cubic root of 860148385 is about 951.0232317524.

The spelling of 860148385 in words is "eight hundred sixty million, one hundred forty-eight thousand, three hundred eighty-five".