282242157 has 4 divisors (see below), whose sum is σ = 376322880. Its totient is φ = 188161436.

The previous prime is 282242137. The next prime is 282242159. The reversal of 282242157 is 751242282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 282242157 - 2¹¹ = 282240109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282242159) 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, 47040357 + ... + 47040362.

It is an arithmetic number, because the mean of its divisors is an integer number (94080720).

Almost surely, 2^282242157 is an apocalyptic number.

It is an amenable number.

282242157 is a deficient number, since it is larger than the sum of its proper divisors (94080723).

282242157 is an equidigital number, since it uses as much as digits as its factorization.

282242157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94080722.

The product of its digits is 17920, while the sum is 33.

The square root of 282242157 is about 16800.0641963059. The cubic root of 282242157 is about 655.9548701417.

It can be divided in two parts, 28224 and 2157, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 282242157 in words is "two hundred eighty-two million, two hundred forty-two thousand, one hundred fifty-seven".