36143461 has 4 divisors (see below), whose sum is σ = 36516172. Its totient is φ = 35770752.

The previous prime is 36143407. The next prime is 36143467. The reversal of 36143461 is 16434163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16434163 = 2089 ⋅7867.

It can be written as a sum of positive squares in 2 ways, for example, as 9424900 + 26718561 = 3070^2 + 5169^2 .

It is a cyclic number.

It is not a de Polignac number, because 36143461 - 2²⁵ = 2589029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36143467) 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, 186210 + ... + 186403.

It is an arithmetic number, because the mean of its divisors is an integer number (9129043).

Almost surely, 2^36143461 is an apocalyptic number.

It is an amenable number.

36143461 is a deficient number, since it is larger than the sum of its proper divisors (372711).

36143461 is an equidigital number, since it uses as much as digits as its factorization.

36143461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372710.

The product of its digits is 5184, while the sum is 28.

The square root of 36143461 is about 6011.9431966711. The cubic root of 36143461 is about 330.6307526131.

The spelling of 36143461 in words is "thirty-six million, one hundred forty-three thousand, four hundred sixty-one".