99454 has 4 divisors (see below), whose sum is σ = 149184. Its totient is φ = 49726.

The previous prime is 99439. The next prime is 99469. The reversal of 99454 is 45499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45499 = 173 ⋅263.

It is an interprime number because it is at equal distance from previous prime (99439) and next prime (99469).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24862 + ... + 24865.

It is an arithmetic number, because the mean of its divisors is an integer number (37296).

2⁹⁹⁴⁵⁴ is an apocalyptic number.

99454 is a deficient number, since it is larger than the sum of its proper divisors (49730).

99454 is a wasteful number, since it uses less digits than its factorization.

99454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49729.

The product of its digits is 6480, while the sum is 31.

The square root of 99454 is about 315.3632825806. The cubic root of 99454 is about 46.3312572033.

The spelling of 99454 in words is "ninety-nine thousand, four hundred fifty-four".