45849872 has 10 divisors (see below), whose sum is σ = 88834158. Its totient is φ = 22924928.

The previous prime is 45849851. The next prime is 45849877. The reversal of 45849872 is 27894854.

It is a happy number.

45849872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44302336 + 1547536 = 6656^2 + 1244^2 .

It is not an unprimeable number, because it can be changed into a prime (45849877) 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 as a sum of consecutive naturals, namely, 1432793 + ... + 1432824.

Almost surely, 2^45849872 is an apocalyptic number.

It is an amenable number.

45849872 is a deficient number, since it is larger than the sum of its proper divisors (42984286).

45849872 is a wasteful number, since it uses less digits than its factorization.

45849872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865625 (or 2865619 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 45849872 is about 6771.2533551773. The cubic root of 45849872 is about 357.9145682145.

The spelling of 45849872 in words is "forty-five million, eight hundred forty-nine thousand, eight hundred seventy-two".