45443249 has 4 divisors (see below), whose sum is σ = 46018560. Its totient is φ = 44867940.

The previous prime is 45443243. The next prime is 45443257. The reversal of 45443249 is 94234454.

45443249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45443249 - 2¹⁶ = 45377713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45443243) 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 3 ways as a sum of consecutive naturals, for example, 287537 + ... + 287694.

It is an arithmetic number, because the mean of its divisors is an integer number (11504640).

Almost surely, 2^45443249 is an apocalyptic number.

It is an amenable number.

45443249 is a deficient number, since it is larger than the sum of its proper divisors (575311).

45443249 is an equidigital number, since it uses as much as digits as its factorization.

45443249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575310.

The product of its digits is 69120, while the sum is 35.

The square root of 45443249 is about 6741.1608050839. The cubic root of 45443249 is about 356.8533608827.

The spelling of 45443249 in words is "forty-five million, four hundred forty-three thousand, two hundred forty-nine".