451154466 has 72 divisors (see below), whose sum is σ = 1204021260. Its totient is φ = 121314816.

The previous prime is 451154441. The next prime is 451154471. The reversal of 451154466 is 664451154.

451154466 is a `hidden beast` number, since 4 + 51 + 1 + 544 + 66 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 441882441 + 9272025 = 21021^2 + 3045^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 451154466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51 + ... + 30038.

Almost surely, 2^451154466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451154466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602010630).

451154466 is an abundant number, since it is smaller than the sum of its proper divisors (752866794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451154466 is a wasteful number, since it uses less digits than its factorization.

451154466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30128 (or 30118 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 451154466 is about 21240.3970301875. The cubic root of 451154466 is about 766.9641899641.

It can be divided in two parts, 45 and 1154466, that added together give a palindrome (1154511).

The spelling of 451154466 in words is "four hundred fifty-one million, one hundred fifty-four thousand, four hundred sixty-six".