45017171 has 2 divisors, whose sum is σ = 45017172. Its totient is φ = 45017170.

The previous prime is 45017153. The next prime is 45017191. The reversal of 45017171 is 17171054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45017171 - 2¹⁸ = 44755027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45017171.

It is not a weakly prime, because it can be changed into another prime (45017191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22508585 + 22508586.

It is an arithmetic number, because the mean of its divisors is an integer number (22508586).

Almost surely, 2^45017171 is an apocalyptic number.

45017171 is a deficient number, since it is larger than the sum of its proper divisors (1).

45017171 is an equidigital number, since it uses as much as digits as its factorization.

45017171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 45017171 is about 6709.4836612067. The cubic root of 45017171 is about 355.7345657440.

The spelling of 45017171 in words is "forty-five million, seventeen thousand, one hundred seventy-one".