103144585 has 4 divisors (see below), whose sum is σ = 123773508. Its totient is φ = 82515664.

The previous prime is 103144543. The next prime is 103144609. The reversal of 103144585 is 585441301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585441301 = 281 ⋅2083421.

It can be written as a sum of positive squares in 2 ways, for example, as 31843449 + 71301136 = 5643^2 + 8444^2 .

It is a cyclic number.

It is not a de Polignac number, because 103144585 - 2¹¹ = 103142537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 10314454 + ... + 10314463.

It is an arithmetic number, because the mean of its divisors is an integer number (30943377).

Almost surely, 2^103144585 is an apocalyptic number.

It is an amenable number.

103144585 is a deficient number, since it is larger than the sum of its proper divisors (20628923).

103144585 is an equidigital number, since it uses as much as digits as its factorization.

103144585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628922.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 103144585 is about 10156.0122587559. The cubic root of 103144585 is about 468.9740485093.

Adding to 103144585 its reverse (585441301), we get a palindrome (688585886).

The spelling of 103144585 in words is "one hundred three million, one hundred forty-four thousand, five hundred eighty-five".