45431845 has 8 divisors (see below), whose sum is σ = 55678464. Its totient is φ = 35571984.

The previous prime is 45431839. The next prime is 45431857. The reversal of 45431845 is 54813454.

45431845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45431845 - 2⁹ = 45431333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45431845.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96429 + ... + 96898.

It is an arithmetic number, because the mean of its divisors is an integer number (6959808).

Almost surely, 2^45431845 is an apocalyptic number.

It is an amenable number.

45431845 is a deficient number, since it is larger than the sum of its proper divisors (10246619).

45431845 is a wasteful number, since it uses less digits than its factorization.

45431845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193379.

The product of its digits is 38400, while the sum is 34.

The square root of 45431845 is about 6740.3149036228. The cubic root of 45431845 is about 356.8235075580.

The spelling of 45431845 in words is "forty-five million, four hundred thirty-one thousand, eight hundred forty-five".