45173003 has 2 divisors, whose sum is σ = 45173004. Its totient is φ = 45173002.

The previous prime is 45172991. The next prime is 45173017. The reversal of 45173003 is 30037154.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45173003 - 2¹⁰ = 45171979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45173003.

It is not a weakly prime, because it can be changed into another prime (45173083) 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 as a sum of consecutive naturals, namely, 22586501 + 22586502.

It is an arithmetic number, because the mean of its divisors is an integer number (22586502).

Almost surely, 2^45173003 is an apocalyptic number.

45173003 is a deficient number, since it is larger than the sum of its proper divisors (1).

45173003 is an equidigital number, since it uses as much as digits as its factorization.

45173003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 45173003 is about 6721.0864449135. The cubic root of 45173003 is about 356.1445647563.

The spelling of 45173003 in words is "forty-five million, one hundred seventy-three thousand, three".