45843439 has 4 divisors (see below), whose sum is σ = 47836656. Its totient is φ = 43850224.

The previous prime is 45843437. The next prime is 45843467. The reversal of 45843439 is 93434854.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93434854 = 2 ⋅46717427.

It is a cyclic number.

It is not a de Polignac number, because 45843439 - 2¹ = 45843437 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45843433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996574 + ... + 996619.

It is an arithmetic number, because the mean of its divisors is an integer number (11959164).

Almost surely, 2^45843439 is an apocalyptic number.

45843439 is a deficient number, since it is larger than the sum of its proper divisors (1993217).

45843439 is a wasteful number, since it uses less digits than its factorization.

45843439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993216.

The product of its digits is 207360, while the sum is 40.

The square root of 45843439 is about 6770.7783156739. The cubic root of 45843439 is about 357.8978282760.

The spelling of 45843439 in words is "forty-five million, eight hundred forty-three thousand, four hundred thirty-nine".