800142 has 16 divisors (see below), whose sum is σ = 1828992. Its totient is φ = 228600.

The previous prime is 800131. The next prime is 800143. The reversal of 800142 is 241008.

800142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800143) by changing a digit.

800142 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 7 ways as a sum of consecutive naturals, for example, 9484 + ... + 9567.

It is an arithmetic number, because the mean of its divisors is an integer number (114312).

2⁸⁰⁰¹⁴² is an apocalyptic number.

800142 is an abundant number, since it is smaller than the sum of its proper divisors (1028850).

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

800142 is a wasteful number, since it uses less digits than its factorization.

800142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19063.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 800142 is about 894.5065678909. The cubic root of 800142 is about 92.8372688941.

The spelling of 800142 in words is "eight hundred thousand, one hundred forty-two".