800154 has 12 divisors (see below), whose sum is σ = 1733706. Its totient is φ = 266712.

The previous prime is 800143. The next prime is 800159. The reversal of 800154 is 451008.

800154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 38025 = 873^2 + 195^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 44453 = 800154 / (8 + 0 + 0 + 1 + 5 + 4).

It is not an unprimeable number, because it can be changed into a prime (800159) by changing a digit.

800154 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22209 + ... + 22244.

2⁸⁰⁰¹⁵⁴ is an apocalyptic number.

800154 is an abundant number, since it is smaller than the sum of its proper divisors (933552).

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

800154 is a wasteful number, since it uses less digits than its factorization.

800154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44461 (or 44458 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 800154 is about 894.5132754744. The cubic root of 800154 is about 92.8377329957.

The spelling of 800154 in words is "eight hundred thousand, one hundred fifty-four".