45043273 has 8 divisors (see below), whose sum is σ = 49625856. Its totient is φ = 40542000.

The previous prime is 45043267. The next prime is 45043277. The reversal of 45043273 is 37234054.

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 45043273 - 2¹⁷ = 44912201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45043277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19161 + ... + 21382.

It is an arithmetic number, because the mean of its divisors is an integer number (6203232).

Almost surely, 2^45043273 is an apocalyptic number.

It is an amenable number.

45043273 is a deficient number, since it is larger than the sum of its proper divisors (4582583).

45043273 is a wasteful number, since it uses less digits than its factorization.

45043273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40655.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 45043273 is about 6711.4285364593. The cubic root of 45043273 is about 355.8033068442.

It can be divided in two parts, 4504 and 3273, that added together give a palindrome (7777).

The spelling of 45043273 in words is "forty-five million, forty-three thousand, two hundred seventy-three".