18454514 has 8 divisors (see below), whose sum is σ = 29811180. Its totient is φ = 8517456.

The previous prime is 18454511. The next prime is 18454519. The reversal of 18454514 is 41545481.

It can be written as a sum of positive squares in 2 ways, for example, as 14190289 + 4264225 = 3767^2 + 2065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18454511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354869 + ... + 354920.

Almost surely, 2^18454514 is an apocalyptic number.

18454514 is a deficient number, since it is larger than the sum of its proper divisors (11356666).

18454514 is a wasteful number, since it uses less digits than its factorization.

18454514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709804.

The product of its digits is 12800, while the sum is 32.

The square root of 18454514 is about 4295.8717392399. The cubic root of 18454514 is about 264.2616876415.

Adding to 18454514 its reverse (41545481), we get a palindrome (59999995).

The spelling of 18454514 in words is "eighteen million, four hundred fifty-four thousand, five hundred fourteen".