45682645 has 4 divisors (see below), whose sum is σ = 54819180. Its totient is φ = 36546112.

The previous prime is 45682633. The next prime is 45682657. The reversal of 45682645 is 54628654.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45682633) and next prime (45682657).

It can be written as a sum of positive squares in 2 ways, for example, as 34963569 + 10719076 = 5913^2 + 3274^2 .

It is a cyclic number.

It is not a de Polignac number, because 45682645 - 2⁵ = 45682613 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45682598 and 45682607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4568260 + ... + 4568269.

It is an arithmetic number, because the mean of its divisors is an integer number (13704795).

Almost surely, 2^45682645 is an apocalyptic number.

It is an amenable number.

45682645 is a deficient number, since it is larger than the sum of its proper divisors (9136535).

45682645 is an equidigital number, since it uses as much as digits as its factorization.

45682645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9136534.

The product of its digits is 230400, while the sum is 40.

The square root of 45682645 is about 6758.8937704331. The cubic root of 45682645 is about 357.4789007386.

The spelling of 45682645 in words is "forty-five million, six hundred eighty-two thousand, six hundred forty-five".