450625645 has 8 divisors (see below), whose sum is σ = 543134304. Its totient is φ = 358911504.

The previous prime is 450625631. The next prime is 450625649. The reversal of 450625645 is 546526054.

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

It is a cyclic number.

It is not a de Polignac number, because 450625645 - 2¹⁹ = 450101357 is a prime.

It is a super-3 number, since 3×450625645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450625649) 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 in 7 ways as a sum of consecutive naturals, for example, 197379 + ... + 199648.

It is an arithmetic number, because the mean of its divisors is an integer number (67891788).

Almost surely, 2^450625645 is an apocalyptic number.

It is an amenable number.

450625645 is a deficient number, since it is larger than the sum of its proper divisors (92508659).

450625645 is a wasteful number, since it uses less digits than its factorization.

450625645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397259.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 450625645 is about 21227.9449075976. The cubic root of 450625645 is about 766.6644069457.

The spelling of 450625645 in words is "four hundred fifty million, six hundred twenty-five thousand, six hundred forty-five".