99456453 has 12 divisors (see below), whose sum is σ = 143979628. Its totient is φ = 66156480.

The previous prime is 99456449. The next prime is 99456479. The reversal of 99456453 is 35465499.

It can be written as a sum of positive squares in 2 ways, for example, as 80245764 + 19210689 = 8958^2 + 4383^2 .

It is not a de Polignac number, because 99456453 - 2² = 99456449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99456399 and 99456408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99456403) 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, 7978 + ... + 16203.

Almost surely, 2^99456453 is an apocalyptic number.

It is an amenable number.

99456453 is a deficient number, since it is larger than the sum of its proper divisors (44523175).

99456453 is a wasteful number, since it uses less digits than its factorization.

99456453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24644 (or 24641 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 99456453 is about 9972.7856188730. The cubic root of 99456453 is about 463.3163811521.

The spelling of 99456453 in words is "ninety-nine million, four hundred fifty-six thousand, four hundred fifty-three".