450985144 has 16 divisors (see below), whose sum is σ = 859930200. Its totient is φ = 221670432.

The previous prime is 450985123. The next prime is 450985187. The reversal of 450985144 is 441589054.

It is a junction number, because it is equal to n+sod(n) for n = 450985097 and 450985106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477267 + ... + 478210.

Almost surely, 2^450985144 is an apocalyptic number.

It is an amenable number.

450985144 is a deficient number, since it is larger than the sum of its proper divisors (408945056).

450985144 is a wasteful number, since it uses less digits than its factorization.

450985144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955542 (or 955538 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 450985144 is about 21236.4108078555. The cubic root of 450985144 is about 766.8682286248.

The spelling of 450985144 in words is "four hundred fifty million, nine hundred eighty-five thousand, one hundred forty-four".