17428145 has 24 divisors (see below), whose sum is σ = 25404864. Its totient is φ = 11241216.

The previous prime is 17428141. The next prime is 17428171. The reversal of 17428145 is 54182471.

It is a happy number.

It is not a de Polignac number, because 17428145 - 2² = 17428141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17428141) 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 23 ways as a sum of consecutive naturals, for example, 9254 + ... + 10976.

It is an arithmetic number, because the mean of its divisors is an integer number (1058536).

Almost surely, 2^17428145 is an apocalyptic number.

It is an amenable number.

17428145 is a deficient number, since it is larger than the sum of its proper divisors (7976719).

17428145 is a wasteful number, since it uses less digits than its factorization.

17428145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1752 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 17428145 is about 4174.7029834468. The cubic root of 17428145 is about 259.2688779588.

The spelling of 17428145 in words is "seventeen million, four hundred twenty-eight thousand, one hundred forty-five".