45072201 has 16 divisors (see below), whose sum is σ = 61611264. Its totient is φ = 29295744.

The previous prime is 45072191. The next prime is 45072211. The reversal of 45072201 is 10227054.

It is an interprime number because it is at equal distance from previous prime (45072191) and next prime (45072211).

It is not a de Polignac number, because 45072201 - 2⁵ = 45072169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45072211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52165 + ... + 53021.

It is an arithmetic number, because the mean of its divisors is an integer number (3850704).

Almost surely, 2^45072201 is an apocalyptic number.

It is an amenable number.

45072201 is a deficient number, since it is larger than the sum of its proper divisors (16539063).

45072201 is a wasteful number, since it uses less digits than its factorization.

45072201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 45072201 is about 6713.5833204035. The cubic root of 45072201 is about 355.8794593582.

Adding to 45072201 its reverse (10227054), we get a palindrome (55299255).

The spelling of 45072201 in words is "forty-five million, seventy-two thousand, two hundred one".