45617273 has 8 divisors (see below), whose sum is σ = 52016328. Its totient is φ = 39631104.

The previous prime is 45617267. The next prime is 45617321. The reversal of 45617273 is 37271654.

It can be written as a sum of positive squares in 4 ways, for example, as 1567504 + 44049769 = 1252^2 + 6637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45617273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45613273) 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, 102986 + ... + 103427.

It is an arithmetic number, because the mean of its divisors is an integer number (6502041).

Almost surely, 2^45617273 is an apocalyptic number.

It is an amenable number.

45617273 is a deficient number, since it is larger than the sum of its proper divisors (6399055).

45617273 is a wasteful number, since it uses less digits than its factorization.

45617273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206443.

The product of its digits is 35280, while the sum is 35.

The square root of 45617273 is about 6754.0560406322. The cubic root of 45617273 is about 357.3083015489.

The spelling of 45617273 in words is "forty-five million, six hundred seventeen thousand, two hundred seventy-three".