1145670005 has 4 divisors (see below), whose sum is σ = 1374804012. Its totient is φ = 916536000.

The previous prime is 1145669981. The next prime is 1145670041. The reversal of 1145670005 is 5000765411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5000765411 = 223 ⋅22424957.

It can be written as a sum of positive squares in 2 ways, for example, as 199430884 + 946239121 = 14122^2 + 30761^2 .

It is not a de Polignac number, because 1145670005 - 2²² = 1141475701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145670005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114566996 + ... + 114567005.

It is an arithmetic number, because the mean of its divisors is an integer number (343701003).

Almost surely, 2^1145670005 is an apocalyptic number.

It is an amenable number.

1145670005 is a deficient number, since it is larger than the sum of its proper divisors (229134007).

1145670005 is an equidigital number, since it uses as much as digits as its factorization.

1145670005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229134006.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1145670005 is about 33847.7474139713. The cubic root of 1145670005 is about 1046.3729745965.

The spelling of 1145670005 in words is "one billion, one hundred forty-five million, six hundred seventy thousand, five".