45840843 has 12 divisors (see below), whose sum is σ = 67964520. Its totient is φ = 30537108.

The previous prime is 45840841. The next prime is 45840923. The reversal of 45840843 is 34804854.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 45840843 - 2¹ = 45840841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45840798 and 45840807.

It is not an unprimeable number, because it can be changed into a prime (45840841) 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 11 ways as a sum of consecutive naturals, for example, 34530 + ... + 35832.

It is an arithmetic number, because the mean of its divisors is an integer number (5663710).

Almost surely, 2^45840843 is an apocalyptic number.

45840843 is a deficient number, since it is larger than the sum of its proper divisors (22123677).

45840843 is an frugal number, since it uses more digits than its factorization.

45840843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 45840843 is about 6770.5866067867. The cubic root of 45840843 is about 357.8910725271.

The spelling of 45840843 in words is "forty-five million, eight hundred forty thousand, eight hundred forty-three".