45443273 has 2 divisors, whose sum is σ = 45443274. Its totient is φ = 45443272.

The previous prime is 45443263. The next prime is 45443287. The reversal of 45443273 is 37234454.

45443273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32684089 + 12759184 = 5717^2 + 3572^2 .

It is a cyclic number.

It is not a de Polignac number, because 45443273 - 2⁴ = 45443257 is a prime.

It is not a weakly prime, because it can be changed into another prime (45443243) 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 as a sum of consecutive naturals, namely, 22721636 + 22721637.

It is an arithmetic number, because the mean of its divisors is an integer number (22721637).

Almost surely, 2^45443273 is an apocalyptic number.

It is an amenable number.

45443273 is a deficient number, since it is larger than the sum of its proper divisors (1).

45443273 is an equidigital number, since it uses as much as digits as its factorization.

45443273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 32.

The square root of 45443273 is about 6741.1625851926. The cubic root of 45443273 is about 356.8534237045.

The spelling of 45443273 in words is "forty-five million, four hundred forty-three thousand, two hundred seventy-three".