45220271 has 2 divisors, whose sum is σ = 45220272. Its totient is φ = 45220270.

The previous prime is 45220249. The next prime is 45220291. The reversal of 45220271 is 17202254.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45220271 - 2¹⁴ = 45203887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45220211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22610135 + 22610136.

It is an arithmetic number, because the mean of its divisors is an integer number (22610136).

Almost surely, 2^45220271 is an apocalyptic number.

45220271 is a deficient number, since it is larger than the sum of its proper divisors (1).

45220271 is an equidigital number, since it uses as much as digits as its factorization.

45220271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45220271 is about 6724.6019213036. The cubic root of 45220271 is about 356.2687419708.

The spelling of 45220271 in words is "forty-five million, two hundred twenty thousand, two hundred seventy-one".