451143066 has 32 divisors (see below), whose sum is σ = 997806528. Its totient is φ = 134835840.

The previous prime is 451143061. The next prime is 451143073. The reversal of 451143066 is 660341154.

It is not an unprimeable number, because it can be changed into a prime (451143061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42001 + ... + 51636.

It is an arithmetic number, because the mean of its divisors is an integer number (31181454).

Almost surely, 2^451143066 is an apocalyptic number.

451143066 is an abundant number, since it is smaller than the sum of its proper divisors (546663462).

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

451143066 is a wasteful number, since it uses less digits than its factorization.

451143066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93726.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 451143066 is about 21240.1286719266. The cubic root of 451143066 is about 766.9577298962.

The spelling of 451143066 in words is "four hundred fifty-one million, one hundred forty-three thousand, sixty-six".