82284145 has 4 divisors (see below), whose sum is σ = 98740980. Its totient is φ = 65827312.

The previous prime is 82284119. The next prime is 82284161. The reversal of 82284145 is 54148228.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57214096 + 25070049 = 7564^2 + 5007^2 .

It is a cyclic number.

It is not a de Polignac number, because 82284145 - 2⁹ = 82283633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82284145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8228410 + ... + 8228419.

It is an arithmetic number, because the mean of its divisors is an integer number (24685245).

Almost surely, 2^82284145 is an apocalyptic number.

It is an amenable number.

82284145 is a deficient number, since it is larger than the sum of its proper divisors (16456835).

82284145 is a wasteful number, since it uses less digits than its factorization.

82284145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456834.

The product of its digits is 20480, while the sum is 34.

The square root of 82284145 is about 9071.0608530645. The cubic root of 82284145 is about 434.9493841666.

The spelling of 82284145 in words is "eighty-two million, two hundred eighty-four thousand, one hundred forty-five".