451044485 has 8 divisors (see below), whose sum is σ = 554454936. Its totient is φ = 352034560.

The previous prime is 451044481. The next prime is 451044491. The reversal of 451044485 is 584440154.

It can be written as a sum of positive squares in 4 ways, for example, as 46471489 + 404572996 = 6817^2 + 20114^2 .

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

It is not a de Polignac number, because 451044485 - 2² = 451044481 is a prime.

It is a super-2 number, since 2×451044485² = 406882254897830450, which contains 22 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 (451044481) 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, 1099904 + ... + 1100313.

It is an arithmetic number, because the mean of its divisors is an integer number (69306867).

Almost surely, 2^451044485 is an apocalyptic number.

It is an amenable number.

451044485 is a deficient number, since it is larger than the sum of its proper divisors (103410451).

451044485 is a wasteful number, since it uses less digits than its factorization.

451044485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200263.

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 451044485 is about 21237.8079141893. The cubic root of 451044485 is about 766.9018622026.

The spelling of 451044485 in words is "four hundred fifty-one million, forty-four thousand, four hundred eighty-five".