453149918 has 8 divisors (see below), whose sum is σ = 732011448. Its totient is φ = 209146104.

The previous prime is 453149881. The next prime is 453149941. The reversal of 453149918 is 819941354.

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

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 8714396 + ... + 8714447.

It is an arithmetic number, because the mean of its divisors is an integer number (91501431).

Almost surely, 2^453149918 is an apocalyptic number.

453149918 is a deficient number, since it is larger than the sum of its proper divisors (278861530).

453149918 is a wasteful number, since it uses less digits than its factorization.

453149918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428858.

The product of its digits is 155520, while the sum is 44.

The square root of 453149918 is about 21287.3182434989. The cubic root of 453149918 is about 768.0932854260.

The spelling of 453149918 in words is "four hundred fifty-three million, one hundred forty-nine thousand, nine hundred eighteen".