800145672 has 32 divisors (see below), whose sum is σ = 2042928000. Its totient is φ = 261040064.

The previous prime is 800145659. The next prime is 800145673. The reversal of 800145672 is 276541008.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353547 + ... + 355802.

It is an arithmetic number, because the mean of its divisors is an integer number (63841500).

Almost surely, 2^800145672 is an apocalyptic number.

It is an amenable number.

800145672 is an abundant number, since it is smaller than the sum of its proper divisors (1242782328).

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

800145672 is a wasteful number, since it uses less digits than its factorization.

800145672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709405 (or 709401 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 800145672 is about 28286.8462717214. The cubic root of 800145672 is about 928.3741090969.

The spelling of 800145672 in words is "eight hundred million, one hundred forty-five thousand, six hundred seventy-two".