16842454 has 4 divisors (see below), whose sum is σ = 25263684. Its totient is φ = 8421226.

The previous prime is 16842433. The next prime is 16842467. The reversal of 16842454 is 45424861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45424861 = 67 ⋅677983.

It is a super-3 number, since 3×16842454³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4210612 + ... + 4210615.

It is an arithmetic number, because the mean of its divisors is an integer number (6315921).

Almost surely, 2^16842454 is an apocalyptic number.

16842454 is a deficient number, since it is larger than the sum of its proper divisors (8421230).

16842454 is an equidigital number, since it uses as much as digits as its factorization.

16842454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421229.

The product of its digits is 30720, while the sum is 34.

The square root of 16842454 is about 4103.9558964492. The cubic root of 16842454 is about 256.3313884641.

The spelling of 16842454 in words is "sixteen million, eight hundred forty-two thousand, four hundred fifty-four".