445801253 has 16 divisors (see below), whose sum is σ = 475675200. Its totient is φ = 417056640.

The previous prime is 445801231. The next prime is 445801273. The reversal of 445801253 is 352108544.

It is a cyclic number.

It is not a de Polignac number, because 445801253 - 2⁶ = 445801189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445801273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161993 + ... + 164721.

It is an arithmetic number, because the mean of its divisors is an integer number (29729700).

Almost surely, 2^445801253 is an apocalyptic number.

445801253 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

445801253 is a deficient number, since it is larger than the sum of its proper divisors (29873947).

445801253 is a wasteful number, since it uses less digits than its factorization.

445801253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 445801253 is about 21114.0060860084. The cubic root of 445801253 is about 763.9186184936.

Adding to 445801253 its reverse (352108544), we get a palindrome (797909797).

The spelling of 445801253 in words is "four hundred forty-five million, eight hundred one thousand, two hundred fifty-three".