282280149 has 6 divisors (see below), whose sum is σ = 407738006. Its totient is φ = 188186760.

The previous prime is 282280139. The next prime is 282280157. The reversal of 282280149 is 941082282.

It can be written as a sum of positive squares in only one way, i.e., 165251025 + 117029124 = 12855^2 + 10818^2 .

It is not a de Polignac number, because 282280149 - 2⁴ = 282280133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282280109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15682222 + ... + 15682239.

Almost surely, 2^282280149 is an apocalyptic number.

It is an amenable number.

282280149 is a deficient number, since it is larger than the sum of its proper divisors (125457857).

282280149 is a wasteful number, since it uses less digits than its factorization.

282280149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31364467 (or 31364464 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 282280149 is about 16801.1948682229. The cubic root of 282280149 is about 655.9843010384.

The spelling of 282280149 in words is "two hundred eighty-two million, two hundred eighty thousand, one hundred forty-nine".