286268042 has 4 divisors (see below), whose sum is σ = 429402066. Its totient is φ = 143134020.

The previous prime is 286268039. The next prime is 286268057. The reversal of 286268042 is 240862682.

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., 282878761 + 3389281 = 16819^2 + 1841^2 .

It is a junction number, because it is equal to n+sod(n) for n = 286267987 and 286268005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71567009 + ... + 71567012.

Almost surely, 2^286268042 is an apocalyptic number.

286268042 is a deficient number, since it is larger than the sum of its proper divisors (143134024).

286268042 is a wasteful number, since it uses less digits than its factorization.

286268042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143134023.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 286268042 is about 16919.4574972131. The cubic root of 286268042 is about 659.0589910833.

The spelling of 286268042 in words is "two hundred eighty-six million, two hundred sixty-eight thousand, forty-two".