17142245 has 12 divisors (see below), whose sum is σ = 21507276. Its totient is φ = 13115520.

The previous prime is 17142241. The next prime is 17142259. The reversal of 17142245 is 54224171.

It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 5080516 = 3473^2 + 2254^2 .

It is not a de Polignac number, because 17142245 - 2² = 17142241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17142241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596 + ... + 5885.

It is an arithmetic number, because the mean of its divisors is an integer number (1792273).

Almost surely, 2^17142245 is an apocalyptic number.

It is an amenable number.

17142245 is a deficient number, since it is larger than the sum of its proper divisors (4365031).

17142245 is an equidigital number, since it uses as much as digits as its factorization.

17142245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532 (or 6509 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 17142245 is about 4140.3194321211. The cubic root of 17142245 is about 257.8433287530.

The spelling of 17142245 in words is "seventeen million, one hundred forty-two thousand, two hundred forty-five".