282142847 has 4 divisors (see below), whose sum is σ = 322448976. Its totient is φ = 241836720.

The previous prime is 282142841. The next prime is 282142919. The reversal of 282142847 is 748241282.

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

It is a cyclic number.

It is not a de Polignac number, because 282142847 - 2⁴ = 282142831 is a prime.

It is a super-2 number, since 2×282142847² = 159209172226530818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 282142847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282142841) 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, 20153054 + ... + 20153067.

It is an arithmetic number, because the mean of its divisors is an integer number (80612244).

Almost surely, 2^282142847 is an apocalyptic number.

282142847 is a deficient number, since it is larger than the sum of its proper divisors (40306129).

282142847 is an equidigital number, since it uses as much as digits as its factorization.

282142847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40306128.

The product of its digits is 57344, while the sum is 38.

The square root of 282142847 is about 16797.1082927985. The cubic root of 282142847 is about 655.8779261435.

The spelling of 282142847 in words is "two hundred eighty-two million, one hundred forty-two thousand, eight hundred forty-seven".