45169271 has 4 divisors (see below), whose sum is σ = 51622032. Its totient is φ = 38716512.

The previous prime is 45169247. The next prime is 45169297. The reversal of 45169271 is 17296154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45169271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45169571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226370 + ... + 3226383.

It is an arithmetic number, because the mean of its divisors is an integer number (12905508).

Almost surely, 2^45169271 is an apocalyptic number.

45169271 is a deficient number, since it is larger than the sum of its proper divisors (6452761).

45169271 is an equidigital number, since it uses as much as digits as its factorization.

45169271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452760.

The product of its digits is 15120, while the sum is 35.

The square root of 45169271 is about 6720.8088054936. The cubic root of 45169271 is about 356.1347567735.

The spelling of 45169271 in words is "forty-five million, one hundred sixty-nine thousand, two hundred seventy-one".