800145670 has 48 divisors (see below), whose sum is σ = 1572676560. Its totient is φ = 292719168.

The previous prime is 800145659. The next prime is 800145673. The reversal of 800145670 is 76541008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800145673) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 100869 + ... + 108511.

It is an arithmetic number, because the mean of its divisors is an integer number (32764095).

Almost surely, 2^800145670 is an apocalyptic number.

800145670 is a deficient number, since it is larger than the sum of its proper divisors (772530890).

800145670 is a wasteful number, since it uses less digits than its factorization.

800145670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717 (or 7698 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 800145670 is about 28286.8462363693. The cubic root of 800145670 is about 928.3741083234.

Adding to 800145670 its reverse (76541008), we get a palindrome (876686678).

The spelling of 800145670 in words is "eight hundred million, one hundred forty-five thousand, six hundred seventy".