36618145 has 8 divisors (see below), whose sum is σ = 43975080. Its totient is φ = 29272320.

The previous prime is 36618143. The next prime is 36618157. The reversal of 36618145 is 54181663.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14930496 + 21687649 = 3864^2 + 4657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36618145 - 2¹ = 36618143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36618145.

It is not an unprimeable number, because it can be changed into a prime (36618143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9111 + ... + 12499.

It is an arithmetic number, because the mean of its divisors is an integer number (5496885).

Almost surely, 2^36618145 is an apocalyptic number.

It is an amenable number.

36618145 is a deficient number, since it is larger than the sum of its proper divisors (7356935).

36618145 is a wasteful number, since it uses less digits than its factorization.

36618145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555.

The product of its digits is 17280, while the sum is 34.

The square root of 36618145 is about 6051.2928370721. The cubic root of 36618145 is about 332.0718895225.

It can be divided in two parts, 36618 and 145, that added together give a palindrome (36763).

The spelling of 36618145 in words is "thirty-six million, six hundred eighteen thousand, one hundred forty-five".