45216173 has 2 divisors, whose sum is σ = 45216174. Its totient is φ = 45216172.

The previous prime is 45216169. The next prime is 45216211. The reversal of 45216173 is 37161254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 232324 = 6707^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 45216173 - 2² = 45216169 is a prime.

It is a super-3 number, since 3×45216173³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45216103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22608086 + 22608087.

It is an arithmetic number, because the mean of its divisors is an integer number (22608087).

Almost surely, 2^45216173 is an apocalyptic number.

It is an amenable number.

45216173 is a deficient number, since it is larger than the sum of its proper divisors (1).

45216173 is an equidigital number, since it uses as much as digits as its factorization.

45216173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 45216173 is about 6724.2972123487. The cubic root of 45216173 is about 356.2579795894.

The spelling of 45216173 in words is "forty-five million, two hundred sixteen thousand, one hundred seventy-three".