36549143 has 4 divisors (see below), whose sum is σ = 37168680. Its totient is φ = 35929608.

The previous prime is 36549109. The next prime is 36549157. The reversal of 36549143 is 34194563.

It is a happy number.

36549143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34194563 = 13 ⋅2630351.

It is a cyclic number.

It is not a de Polignac number, because 36549143 - 2⁸ = 36548887 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 (36549343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309680 + ... + 309797.

It is an arithmetic number, because the mean of its divisors is an integer number (9292170).

Almost surely, 2^36549143 is an apocalyptic number.

36549143 is a deficient number, since it is larger than the sum of its proper divisors (619537).

36549143 is an equidigital number, since it uses as much as digits as its factorization.

36549143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619536.

The product of its digits is 38880, while the sum is 35.

The square root of 36549143 is about 6045.5887223661. The cubic root of 36549143 is about 331.8631766730.

The spelling of 36549143 in words is "thirty-six million, five hundred forty-nine thousand, one hundred forty-three".