842143752 has 24 divisors (see below), whose sum is σ = 2280806190. Its totient is φ = 280714560.

The previous prime is 842143747. The next prime is 842143763. The reversal of 842143752 is 257341248.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 617323716 + 224820036 = 24846^2 + 14994^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5848149 + ... + 5848292.

Almost surely, 2^842143752 is an apocalyptic number.

It is an amenable number.

842143752 is an abundant number, since it is smaller than the sum of its proper divisors (1438662438).

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

842143752 is a wasteful number, since it uses less digits than its factorization.

842143752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11696453 (or 11696446 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 842143752 is about 29019.7131619181. The cubic root of 842143752 is about 944.3407781681.

The spelling of 842143752 in words is "eight hundred forty-two million, one hundred forty-three thousand, seven hundred fifty-two".