45182273 has 4 divisors (see below), whose sum is σ = 45923028. Its totient is φ = 44441520.

The previous prime is 45182257. The next prime is 45182297. The reversal of 45182273 is 37228154.

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 3489424 + 41692849 = 1868^2 + 6457^2 .

It is a cyclic number.

It is not a de Polignac number, because 45182273 - 2⁴ = 45182257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45182213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370286 + ... + 370407.

It is an arithmetic number, because the mean of its divisors is an integer number (11480757).

Almost surely, 2^45182273 is an apocalyptic number.

It is an amenable number.

45182273 is a deficient number, since it is larger than the sum of its proper divisors (740755).

45182273 is an equidigital number, since it uses as much as digits as its factorization.

45182273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740754.

The product of its digits is 13440, while the sum is 32.

The square root of 45182273 is about 6721.7760301873. The cubic root of 45182273 is about 356.1689246918.

The spelling of 45182273 in words is "forty-five million, one hundred eighty-two thousand, two hundred seventy-three".