45143273 has 24 divisors (see below), whose sum is σ = 54999168. Its totient is φ = 36286272.

The previous prime is 45143269. The next prime is 45143299. The reversal of 45143273 is 37234154.

It is a happy number.

45143273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45143273 - 2² = 45143269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45143473) 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 23 ways as a sum of consecutive naturals, for example, 270236 + ... + 270402.

It is an arithmetic number, because the mean of its divisors is an integer number (2291632).

Almost surely, 2^45143273 is an apocalyptic number.

It is an amenable number.

45143273 is a deficient number, since it is larger than the sum of its proper divisors (9855895).

45143273 is a wasteful number, since it uses less digits than its factorization.

45143273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 270 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 45143273 is about 6718.8743848951. The cubic root of 45143273 is about 356.0664170363.

The spelling of 45143273 in words is "forty-five million, one hundred forty-three thousand, two hundred seventy-three".