17145745841 has 8 divisors (see below), whose sum is σ = 20012056320. Its totient is φ = 14383664928.

The previous prime is 17145745829. The next prime is 17145745907. The reversal of 17145745841 is 14854754171.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17145745841 - 2¹⁰ = 17145744817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17145745241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26057036 + ... + 26057693.

It is an arithmetic number, because the mean of its divisors is an integer number (2501507040).

Almost surely, 2^17145745841 is an apocalyptic number.

It is an amenable number.

17145745841 is a deficient number, since it is larger than the sum of its proper divisors (2866310479).

17145745841 is an equidigital number, since it uses as much as digits as its factorization.

17145745841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52114783.

The product of its digits is 627200, while the sum is 47.

The spelling of 17145745841 in words is "seventeen billion, one hundred forty-five million, seven hundred forty-five thousand, eight hundred forty-one".