8145198453 has 16 divisors (see below), whose sum is σ = 12581757056. Its totient is φ = 4590639360.

The previous prime is 8145198427. The next prime is 8145198511. The reversal of 8145198453 is 3548915418.

It is a happy number.

It is not a de Polignac number, because 8145198453 - 2⁵ = 8145198421 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 (8145198353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655088 + ... + 2658153.

It is an arithmetic number, because the mean of its divisors is an integer number (786359816).

Almost surely, 2^8145198453 is an apocalyptic number.

It is an amenable number.

8145198453 is a deficient number, since it is larger than the sum of its proper divisors (4436558603).

8145198453 is a wasteful number, since it uses less digits than its factorization.

8145198453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313324.

The product of its digits is 691200, while the sum is 48.

The square root of 8145198453 is about 90250.7531990731. The cubic root of 8145198453 is about 2012.0273969560.

The spelling of 8145198453 in words is "eight billion, one hundred forty-five million, one hundred ninety-eight thousand, four hundred fifty-three".