45256171 has 2 divisors, whose sum is σ = 45256172. Its totient is φ = 45256170.

The previous prime is 45256151. The next prime is 45256199. The reversal of 45256171 is 17165254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45256171 - 2²³ = 36867563 is a prime.

It is not a weakly prime, because it can be changed into another prime (45256151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22628085 + 22628086.

It is an arithmetic number, because the mean of its divisors is an integer number (22628086).

Almost surely, 2^45256171 is an apocalyptic number.

45256171 is a deficient number, since it is larger than the sum of its proper divisors (1).

45256171 is an equidigital number, since it uses as much as digits as its factorization.

45256171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 31.

The square root of 45256171 is about 6727.2706947171. The cubic root of 45256171 is about 356.3629966373.

The spelling of 45256171 in words is "forty-five million, two hundred fifty-six thousand, one hundred seventy-one".