45646647 has 8 divisors (see below), whose sum is σ = 61465200. Its totient is φ = 30129600.

The previous prime is 45646639. The next prime is 45646661. The reversal of 45646647 is 74664654.

It is a happy number.

45646647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45646647 - 2³ = 45646639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45646599 and 45646608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45646637) 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, 75022 + ... + 75627.

It is an arithmetic number, because the mean of its divisors is an integer number (7683150).

Almost surely, 2^45646647 is an apocalyptic number.

45646647 is a deficient number, since it is larger than the sum of its proper divisors (15818553).

45646647 is a wasteful number, since it uses less digits than its factorization.

45646647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150753.

The product of its digits is 483840, while the sum is 42.

The square root of 45646647 is about 6756.2302358638. The cubic root of 45646647 is about 357.3849780750.

It can be divided in two parts, 4564 and 6647, that added together give a palindrome (11211).

The spelling of 45646647 in words is "forty-five million, six hundred forty-six thousand, six hundred forty-seven".