450624645 has 48 divisors (see below), whose sum is σ = 803380032. Its totient is φ = 233521920.

The previous prime is 450624631. The next prime is 450624683. The reversal of 450624645 is 546426054.

450624645 is a `hidden beast` number, since 4 + 5 + 0 + 6 + 2 + 4 + 645 = 666.

It is not a de Polignac number, because 450624645 - 2⁵ = 450624613 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 861354 + ... + 861876.

It is an arithmetic number, because the mean of its divisors is an integer number (16737084).

Almost surely, 2^450624645 is an apocalyptic number.

450624645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450624645 is a deficient number, since it is larger than the sum of its proper divisors (352755387).

450624645 is a wasteful number, since it uses less digits than its factorization.

450624645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 450624645 is about 21227.9213537266. The cubic root of 450624645 is about 766.6638398341.

The spelling of 450624645 in words is "four hundred fifty million, six hundred twenty-four thousand, six hundred forty-five".