45275473 has 4 divisors (see below), whose sum is σ = 45293220. Its totient is φ = 45257728.

The previous prime is 45275449. The next prime is 45275491. The reversal of 45275473 is 37457254.

It is a happy number.

45275473 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.

It can be written as a sum of positive squares in 2 ways, for example, as 43864129 + 1411344 = 6623^2 + 1188^2 .

It is a cyclic number.

It is not a de Polignac number, because 45275473 - 2⁵ = 45275441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45275273) 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, 4240 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (11323305).

Almost surely, 2^45275473 is an apocalyptic number.

It is an amenable number.

45275473 is a deficient number, since it is larger than the sum of its proper divisors (17747).

45275473 is a wasteful number, since it uses less digits than its factorization.

45275473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17746.

The product of its digits is 117600, while the sum is 37.

The square root of 45275473 is about 6728.7051503242. The cubic root of 45275473 is about 356.4136530136.

It can be divided in two parts, 4527 and 5473, that added together give a 4-th power (10000 = 10⁴).

The spelling of 45275473 in words is "forty-five million, two hundred seventy-five thousand, four hundred seventy-three".