45663647 has 4 divisors (see below), whose sum is σ = 45716016. Its totient is φ = 45611280.

The previous prime is 45663643. The next prime is 45663689. The reversal of 45663647 is 74636654.

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

It is a cyclic number.

It is not a de Polignac number, because 45663647 - 2² = 45663643 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 (45663643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24854 + ... + 26627.

It is an arithmetic number, because the mean of its divisors is an integer number (11429004).

Almost surely, 2^45663647 is an apocalyptic number.

45663647 is a deficient number, since it is larger than the sum of its proper divisors (52369).

45663647 is an equidigital number, since it uses as much as digits as its factorization.

45663647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52368.

The product of its digits is 362880, while the sum is 41.

The square root of 45663647 is about 6757.4882167859. The cubic root of 45663647 is about 357.4293390592.

The spelling of 45663647 in words is "forty-five million, six hundred sixty-three thousand, six hundred forty-seven".