8045421453 has 12 divisors (see below), whose sum is σ = 11622733408. Its totient is φ = 5362890120.

The previous prime is 8045421443. The next prime is 8045421463. The reversal of 8045421453 is 3541245408.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8045421443) and next prime (8045421463).

It is not a de Polignac number, because 8045421453 - 2⁴ = 8045421437 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 (8045421443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14958 + ... + 127728.

Almost surely, 2^8045421453 is an apocalyptic number.

It is an amenable number.

8045421453 is a deficient number, since it is larger than the sum of its proper divisors (3577311955).

8045421453 is a wasteful number, since it uses less digits than its factorization.

8045421453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120704 (or 120701 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 8045421453 is about 89696.2733506805. The cubic root of 8045421453 is about 2003.7779800232. Note that the first 3 decimals are identical.

The spelling of 8045421453 in words is "eight billion, forty-five million, four hundred twenty-one thousand, four hundred fifty-three".