45449646 has 16 divisors (see below), whose sum is σ = 99163008. Its totient is φ = 13772600.

The previous prime is 45449639. The next prime is 45449669. The reversal of 45449646 is 64694454.

45449646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45449598 and 45449607.

It is a congruent number.

It is an unprimeable number.

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, 344250 + ... + 344381.

It is an arithmetic number, because the mean of its divisors is an integer number (6197688).

Almost surely, 2^45449646 is an apocalyptic number.

45449646 is an abundant number, since it is smaller than the sum of its proper divisors (53713362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45449646 is a wasteful number, since it uses less digits than its factorization.

45449646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688647.

The product of its digits is 414720, while the sum is 42.

The square root of 45449646 is about 6741.6352615667. The cubic root of 45449646 is about 356.8701047254.

The spelling of 45449646 in words is "forty-five million, four hundred forty-nine thousand, six hundred forty-six".