42286165 has 4 divisors (see below), whose sum is σ = 50743404. Its totient is φ = 33828928.

The previous prime is 42286159. The next prime is 42286169. The reversal of 42286165 is 56168224.

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 27952369 + 14333796 = 5287^2 + 3786^2 .

It is a cyclic number.

It is not a de Polignac number, because 42286165 - 2⁵ = 42286133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42286165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42286169) 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, 4228612 + ... + 4228621.

It is an arithmetic number, because the mean of its divisors is an integer number (12685851).

Almost surely, 2^42286165 is an apocalyptic number.

It is an amenable number.

42286165 is a deficient number, since it is larger than the sum of its proper divisors (8457239).

42286165 is an equidigital number, since it uses as much as digits as its factorization.

42286165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457238.

The product of its digits is 23040, while the sum is 34.

The square root of 42286165 is about 6502.7813280165. The cubic root of 42286165 is about 348.3903363339.

The spelling of 42286165 in words is "forty-two million, two hundred eighty-six thousand, one hundred sixty-five".