445312551453 has 32 divisors (see below), whose sum is σ = 740348132352. Its totient is φ = 231303600000.

The previous prime is 445312551379. The next prime is 445312551469. The reversal of 445312551453 is 354155213544.

It is not a de Polignac number, because 445312551453 - 2⁸ = 445312551197 is a prime.

It is a super-2 number, since 2×445312551453² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445312551493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1902078 + ... + 2123328.

It is an arithmetic number, because the mean of its divisors is an integer number (23135879136).

Almost surely, 2^445312551453 is an apocalyptic number.

It is an amenable number.

445312551453 is a deficient number, since it is larger than the sum of its proper divisors (295035580899).

445312551453 is a wasteful number, since it uses less digits than its factorization.

445312551453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229985.

The product of its digits is 720000, while the sum is 42.

Adding to 445312551453 its reverse (354155213544), we get a palindrome (799467764997).

The spelling of 445312551453 in words is "four hundred forty-five billion, three hundred twelve million, five hundred fifty-one thousand, four hundred fifty-three".