1718214145 has 16 divisors (see below), whose sum is σ = 2105668800. Its totient is φ = 1345579200.

The previous prime is 1718214143. The next prime is 1718214163. The reversal of 1718214145 is 5414128171.

It is not a de Polignac number, because 1718214145 - 2¹ = 1718214143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1718214145.

It is not an unprimeable number, because it can be changed into a prime (1718214143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51006 + ... + 77704.

It is an arithmetic number, because the mean of its divisors is an integer number (131604300).

Almost surely, 2^1718214145 is an apocalyptic number.

It is an amenable number.

1718214145 is a deficient number, since it is larger than the sum of its proper divisors (387454655).

1718214145 is a wasteful number, since it uses less digits than its factorization.

1718214145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26976.

The product of its digits is 8960, while the sum is 34.

The square root of 1718214145 is about 41451.3467211863. The cubic root of 1718214145 is about 1197.7304661732.

The spelling of 1718214145 in words is "one billion, seven hundred eighteen million, two hundred fourteen thousand, one hundred forty-five".