282157442 has 8 divisors (see below), whose sum is σ = 483698496. Its totient is φ = 120924612.

The previous prime is 282157441. The next prime is 282157451. The reversal of 282157442 is 244751282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×282157442² = 159225644151966728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (282157441) 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, 10077038 + ... + 10077065.

It is an arithmetic number, because the mean of its divisors is an integer number (60462312).

Almost surely, 2^282157442 is an apocalyptic number.

282157442 is a deficient number, since it is larger than the sum of its proper divisors (201541054).

282157442 is a wasteful number, since it uses less digits than its factorization.

282157442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20154112.

The product of its digits is 35840, while the sum is 35.

The square root of 282157442 is about 16797.5427369601. The cubic root of 282157442 is about 655.8892352769.

The spelling of 282157442 in words is "two hundred eighty-two million, one hundred fifty-seven thousand, four hundred forty-two".