215282842 has 8 divisors (see below), whose sum is σ = 329795136. Its totient is φ = 105351132.

The previous prime is 215282831. The next prime is 215282861. The reversal of 215282842 is 248282512.

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 = 215282798 and 215282807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145028 + ... + 1145215.

It is an arithmetic number, because the mean of its divisors is an integer number (41224392).

Almost surely, 2^215282842 is an apocalyptic number.

215282842 is a deficient number, since it is larger than the sum of its proper divisors (114512294).

215282842 is a wasteful number, since it uses less digits than its factorization.

215282842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290292.

The product of its digits is 20480, while the sum is 34.

The square root of 215282842 is about 14672.5199607975. The cubic root of 215282842 is about 599.3352285517.

The spelling of 215282842 in words is "two hundred fifteen million, two hundred eighty-two thousand, eight hundred forty-two".