16454234 has 4 divisors (see below), whose sum is σ = 24681354. Its totient is φ = 8227116.

The previous prime is 16454173. The next prime is 16454237. The reversal of 16454234 is 43245461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 494209 = 3995^2 + 703^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16454197 and 16454206.

It is not an unprimeable number, because it can be changed into a prime (16454237) by changing a digit.

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, 4113557 + ... + 4113560.

Almost surely, 2^16454234 is an apocalyptic number.

16454234 is a deficient number, since it is larger than the sum of its proper divisors (8227120).

16454234 is an equidigital number, since it uses as much as digits as its factorization.

16454234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227119.

The product of its digits is 11520, while the sum is 29.

The square root of 16454234 is about 4056.3818853752. The cubic root of 16454234 is about 254.3465725949.

Adding to 16454234 its reverse (43245461), we get a palindrome (59699695).

The spelling of 16454234 in words is "sixteen million, four hundred fifty-four thousand, two hundred thirty-four".