800942145 has 16 divisors (see below), whose sum is σ = 1316143680. Its totient is φ = 415623744.

The previous prime is 800942143. The next prime is 800942159. The reversal of 800942145 is 541249008.

It is not a de Polignac number, because 800942145 - 2¹ = 800942143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800942143) 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, 721015 + ... + 722124.

It is an arithmetic number, because the mean of its divisors is an integer number (82258980).

Almost surely, 2^800942145 is an apocalyptic number.

It is an amenable number.

800942145 is a deficient number, since it is larger than the sum of its proper divisors (515201535).

800942145 is a wasteful number, since it uses less digits than its factorization.

800942145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443184.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 800942145 is about 28300.9212747571. The cubic root of 800942145 is about 928.6820445682.

The spelling of 800942145 in words is "eight hundred million, nine hundred forty-two thousand, one hundred forty-five".