45531273 has 8 divisors (see below), whose sum is σ = 60925536. Its totient is φ = 30245600.

The previous prime is 45531263. The next prime is 45531301. The reversal of 45531273 is 37213554.

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 45531273 - 2⁹ = 45530761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45531273.

It is not an unprimeable number, because it can be changed into a prime (45531263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26163 + ... + 27848.

It is an arithmetic number, because the mean of its divisors is an integer number (7615692).

Almost surely, 2^45531273 is an apocalyptic number.

It is an amenable number.

45531273 is a deficient number, since it is larger than the sum of its proper divisors (15394263).

45531273 is a wasteful number, since it uses less digits than its factorization.

45531273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54295.

The product of its digits is 12600, while the sum is 30.

The square root of 45531273 is about 6747.6864924209. The cubic root of 45531273 is about 357.0836217110.

The spelling of 45531273 in words is "forty-five million, five hundred thirty-one thousand, two hundred seventy-three".