17145988245 has 48 divisors (see below), whose sum is σ = 30777836544. Its totient is φ = 8820864000.

The previous prime is 17145988229. The next prime is 17145988253. The reversal of 17145988245 is 54288954171.

17145988245 is a `hidden beast` number, since 1 + 7 + 1 + 4 + 598 + 8 + 2 + 45 = 666.

It is not a de Polignac number, because 17145988245 - 2⁴ = 17145988229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17145988191 and 17145988200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414085 + ... + 453605.

It is an arithmetic number, because the mean of its divisors is an integer number (641204928).

Almost surely, 2^17145988245 is an apocalyptic number.

17145988245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17145988245 is a deficient number, since it is larger than the sum of its proper divisors (13631848299).

17145988245 is a wasteful number, since it uses less digits than its factorization.

17145988245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39874 (or 39871 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The spelling of 17145988245 in words is "seventeen billion, one hundred forty-five million, nine hundred eighty-eight thousand, two hundred forty-five".