808143442 has 8 divisors (see below), whose sum is σ = 1229288832. Its totient is φ = 398380500.

The previous prime is 808143437. The next prime is 808143443. The reversal of 808143442 is 244341808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 808143398 and 808143407.

It is not an unprimeable number, because it can be changed into a prime (808143443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845434 + ... + 2845717.

It is an arithmetic number, because the mean of its divisors is an integer number (153661104).

Almost surely, 2^808143442 is an apocalyptic number.

808143442 is a deficient number, since it is larger than the sum of its proper divisors (421145390).

808143442 is a wasteful number, since it uses less digits than its factorization.

808143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691224.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 808143442 is about 28427.8638311077. The cubic root of 808143442 is about 931.4570146987.

The spelling of 808143442 in words is "eight hundred eight million, one hundred forty-three thousand, four hundred forty-two".