450422785 has 8 divisors (see below), whose sum is σ = 542828520. Its totient is φ = 358790784.

The previous prime is 450422783. The next prime is 450422801. The reversal of 450422785 is 587224054.

450422785 = T₂₃₀ + T₂₃₁ + ... + T₁₃₉₄.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7056 + 450415729 = 84^2 + 21223^2 .

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 450422785 - 2¹ = 450422783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450422783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192150 + ... + 194479.

It is an arithmetic number, because the mean of its divisors is an integer number (67853565).

Almost surely, 2^450422785 is an apocalyptic number.

It is an amenable number.

450422785 is a deficient number, since it is larger than the sum of its proper divisors (92405735).

450422785 is a wasteful number, since it uses less digits than its factorization.

450422785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386867.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 450422785 is about 21223.1662340943. The cubic root of 450422785 is about 766.5493455216.

The spelling of 450422785 in words is "four hundred fifty million, four hundred twenty-two thousand, seven hundred eighty-five".