36081645 has 8 divisors (see below), whose sum is σ = 57730656. Its totient is φ = 19243536.

The previous prime is 36081611. The next prime is 36081649. The reversal of 36081645 is 54618063.

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

It is not a de Polignac number, because 36081645 - 2⁶ = 36081581 is a prime.

It is a super-3 number, since 3×36081645³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36081649) 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, 1202707 + ... + 1202736.

It is an arithmetic number, because the mean of its divisors is an integer number (7216332).

Almost surely, 2^36081645 is an apocalyptic number.

It is an amenable number.

36081645 is a deficient number, since it is larger than the sum of its proper divisors (21649011).

36081645 is a wasteful number, since it uses less digits than its factorization.

36081645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405451.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 36081645 is about 6006.7998967836. The cubic root of 36081645 is about 330.4421529517.

It can be divided in two parts, 3608 and 1645, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 36081645 in words is "thirty-six million, eighty-one thousand, six hundred forty-five".