108073645 has 8 divisors (see below), whose sum is σ = 129974904. Its totient is φ = 86267904.

The previous prime is 108073643. The next prime is 108073697. The reversal of 108073645 is 546370801.

It can be written as a sum of positive squares in 4 ways, for example, as 17994564 + 90079081 = 4242^2 + 9491^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 108073645 - 2¹ = 108073643 is a prime.

It is a super-3 number, since 3×108073645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108073645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108073643) 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 7 ways as a sum of consecutive naturals, for example, 21364 + ... + 25933.

It is an arithmetic number, because the mean of its divisors is an integer number (16246863).

Almost surely, 2^108073645 is an apocalyptic number.

It is an amenable number.

108073645 is a deficient number, since it is larger than the sum of its proper divisors (21901259).

108073645 is an equidigital number, since it uses as much as digits as its factorization.

108073645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47759.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 108073645 is about 10395.8474883003. The cubic root of 108073645 is about 476.3285355796.

The spelling of 108073645 in words is "one hundred eight million, seventy-three thousand, six hundred forty-five".