282138842 has 4 divisors (see below), whose sum is σ = 423208266. Its totient is φ = 141069420.

The previous prime is 282138821. The next prime is 282138853. The reversal of 282138842 is 248831282.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 208196041 + 73942801 = 14429^2 + 8599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 282138796 and 282138805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70534709 + ... + 70534712.

Almost surely, 2^282138842 is an apocalyptic number.

282138842 is a deficient number, since it is larger than the sum of its proper divisors (141069424).

282138842 is a wasteful number, since it uses less digits than its factorization.

282138842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141069423.

The product of its digits is 49152, while the sum is 38.

The square root of 282138842 is about 16796.9890754266. The cubic root of 282138842 is about 655.8748227468.

The spelling of 282138842 in words is "two hundred eighty-two million, one hundred thirty-eight thousand, eight hundred forty-two".