451143316 has 12 divisors (see below), whose sum is σ = 850231732. Its totient is φ = 208219968.

The previous prime is 451143311. The next prime is 451143317. The reversal of 451143316 is 613341154.

It can be written as a sum of positive squares in 2 ways, for example, as 191933316 + 259210000 = 13854^2 + 16100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451143311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4337865 + ... + 4337968.

Almost surely, 2^451143316 is an apocalyptic number.

It is an amenable number.

451143316 is a deficient number, since it is larger than the sum of its proper divisors (399088416).

451143316 is a wasteful number, since it uses less digits than its factorization.

451143316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675850 (or 8675848 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 451143316 is about 21240.1345570126. The cubic root of 451143316 is about 766.9578715655.

The spelling of 451143316 in words is "four hundred fifty-one million, one hundred forty-three thousand, three hundred sixteen".