45749849 has 12 divisors (see below), whose sum is σ = 48113700. Its totient is φ = 43449504.

The previous prime is 45749789. The next prime is 45749857. The reversal of 45749849 is 94894754.

45749849 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 2 ways, for example, as 34727449 + 11022400 = 5893^2 + 3320^2 .

It is not a de Polignac number, because 45749849 - 2⁸ = 45749593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45749797 and 45749806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45749749) 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 11 ways as a sum of consecutive naturals, for example, 199667 + ... + 199895.

It is an arithmetic number, because the mean of its divisors is an integer number (4009475).

Almost surely, 2^45749849 is an apocalyptic number.

It is an amenable number.

45749849 is a deficient number, since it is larger than the sum of its proper divisors (2363851).

45749849 is an equidigital number, since it uses as much as digits as its factorization.

45749849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 341 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 45749849 is about 6763.8634669839. The cubic root of 45749849 is about 357.6541112665.

The spelling of 45749849 in words is "forty-five million, seven hundred forty-nine thousand, eight hundred forty-nine".