282505945 has 16 divisors (see below), whose sum is σ = 355691520. Its totient is φ = 215121600.

The previous prime is 282505943. The next prime is 282505967. The reversal of 282505945 is 549505282.

It is not a de Polignac number, because 282505945 - 2¹ = 282505943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 282505898 and 282505907.

It is not an unprimeable number, because it can be changed into a prime (282505943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5485 + ... + 24394.

It is an arithmetic number, because the mean of its divisors is an integer number (22230720).

Almost surely, 2^282505945 is an apocalyptic number.

It is an amenable number.

282505945 is a deficient number, since it is larger than the sum of its proper divisors (73185575).

282505945 is a wasteful number, since it uses less digits than its factorization.

282505945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29976.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 282505945 is about 16807.9131661251. The cubic root of 282505945 is about 656.1591617880.

The spelling of 282505945 in words is "two hundred eighty-two million, five hundred five thousand, nine hundred forty-five".