45404459 has 4 divisors (see below), whose sum is σ = 46970160. Its totient is φ = 43838760.

The previous prime is 45404423. The next prime is 45404483. The reversal of 45404459 is 95440454.

45404459 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 an emirpimes, since its reverse is a distinct semiprime: 95440454 = 2 ⋅47720227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45404459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45404419) 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, 782807 + ... + 782864.

It is an arithmetic number, because the mean of its divisors is an integer number (11742540).

Almost surely, 2^45404459 is an apocalyptic number.

45404459 is a deficient number, since it is larger than the sum of its proper divisors (1565701).

45404459 is a wasteful number, since it uses less digits than its factorization.

45404459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565700.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 45404459 is about 6738.2830899273. The cubic root of 45404459 is about 356.7517962380.

It can be divided in two parts, 4540445 and 9, that added together give a palindrome (4540454).

The spelling of 45404459 in words is "forty-five million, four hundred four thousand, four hundred fifty-nine".