36550145 has 4 divisors (see below), whose sum is σ = 43860180. Its totient is φ = 29240112.

The previous prime is 36550141. The next prime is 36550159. The reversal of 36550145 is 54105563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54105563 = 4363 ⋅12401.

It can be written as a sum of positive squares in 2 ways, for example, as 21464689 + 15085456 = 4633^2 + 3884^2 .

It is a cyclic number.

It is not a de Polignac number, because 36550145 - 2² = 36550141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36550141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3655010 + ... + 3655019.

It is an arithmetic number, because the mean of its divisors is an integer number (10965045).

Almost surely, 2^36550145 is an apocalyptic number.

It is an amenable number.

36550145 is a deficient number, since it is larger than the sum of its proper divisors (7310035).

36550145 is an equidigital number, since it uses as much as digits as its factorization.

36550145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310034.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 36550145 is about 6045.6715921393. The cubic root of 36550145 is about 331.8662093375.

The spelling of 36550145 in words is "thirty-six million, five hundred fifty thousand, one hundred forty-five".