17145745842 has 8 divisors (see below), whose sum is σ = 34291491696. Its totient is φ = 5715248612.

The previous prime is 17145745829. The next prime is 17145745907. The reversal of 17145745842 is 24854754171.

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

17145745842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 17145745791 and 17145745800.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1428812148 + ... + 1428812159.

It is an arithmetic number, because the mean of its divisors is an integer number (4286436462).

Almost surely, 2^17145745842 is an apocalyptic number.

17145745842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17145745842 is a wasteful number, since it uses less digits than its factorization.

17145745842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857624312.

The product of its digits is 1254400, while the sum is 48.

The spelling of 17145745842 in words is "seventeen billion, one hundred forty-five million, seven hundred forty-five thousand, eight hundred forty-two".