45688643 has 24 divisors (see below), whose sum is σ = 61698816. Its totient is φ = 32853600.

The previous prime is 45688627. The next prime is 45688667. The reversal of 45688643 is 34688654.

45688643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45688643 - 2⁴ = 45688627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45688594 and 45688603.

It is not an unprimeable number, because it can be changed into a prime (45688693) 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 23 ways as a sum of consecutive naturals, for example, 11258 + ... + 14768.

It is an arithmetic number, because the mean of its divisors is an integer number (2570784).

Almost surely, 2^45688643 is an apocalyptic number.

45688643 is a deficient number, since it is larger than the sum of its proper divisors (16010173).

45688643 is a wasteful number, since it uses less digits than its factorization.

45688643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3542 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 45688643 is about 6759.3374675333. The cubic root of 45688643 is about 357.4945453713.

The spelling of 45688643 in words is "forty-five million, six hundred eighty-eight thousand, six hundred forty-three".