36161143 has 4 divisors (see below), whose sum is σ = 36174168. Its totient is φ = 36148120.

The previous prime is 36161119. The next prime is 36161149. The reversal of 36161143 is 34116163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36161143 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 (36161149) 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, 493 + ... + 8518.

It is an arithmetic number, because the mean of its divisors is an integer number (9043542).

Almost surely, 2^36161143 is an apocalyptic number.

36161143 is a deficient number, since it is larger than the sum of its proper divisors (13025).

36161143 is an equidigital number, since it uses as much as digits as its factorization.

36161143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024.

The product of its digits is 1296, while the sum is 25.

The square root of 36161143 is about 6013.4135896344. The cubic root of 36161143 is about 330.6846605650.

It can be divided in two parts, 361 and 61143, that added together give a square (61504 = 248²).

The spelling of 36161143 in words is "thirty-six million, one hundred sixty-one thousand, one hundred forty-three".