45220267 has 4 divisors (see below), whose sum is σ = 45331240. Its totient is φ = 45109296.

The previous prime is 45220249. The next prime is 45220271. The reversal of 45220267 is 76202254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76202254 = 2 ⋅38101127.

It is a cyclic number.

It is not a de Polignac number, because 45220267 - 2¹¹ = 45218219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45220237) 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 in 3 ways as a sum of consecutive naturals, for example, 54873 + ... + 55690.

It is an arithmetic number, because the mean of its divisors is an integer number (11332810).

Almost surely, 2^45220267 is an apocalyptic number.

45220267 is a deficient number, since it is larger than the sum of its proper divisors (110973).

45220267 is a wasteful number, since it uses less digits than its factorization.

45220267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110972.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 45220267 is about 6724.6016238882. The cubic root of 45220267 is about 356.2687314661.

The spelling of 45220267 in words is "forty-five million, two hundred twenty thousand, two hundred sixty-seven".