17214875145 has 96 divisors (see below), whose sum is σ = 33233421312. Its totient is φ = 8190014976.

The previous prime is 17214875099. The next prime is 17214875179. The reversal of 17214875145 is 54157841271.

17214875145 is a `hidden beast` number, since 1 + 7 + 21 + 487 + 5 + 145 = 666.

It is not a de Polignac number, because 17214875145 - 2¹² = 17214871049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 17214875145.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2073192 + ... + 2081478.

It is an arithmetic number, because the mean of its divisors is an integer number (346181472).

Almost surely, 2^17214875145 is an apocalyptic number.

17214875145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17214875145 is a deficient number, since it is larger than the sum of its proper divisors (16018546167).

17214875145 is a wasteful number, since it uses less digits than its factorization.

17214875145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431 (or 8428 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The spelling of 17214875145 in words is "seventeen billion, two hundred fourteen million, eight hundred seventy-five thousand, one hundred forty-five".