451134212 has 6 divisors (see below), whose sum is σ = 789484878. Its totient is φ = 225567104.

The previous prime is 451134209. The next prime is 451134217. The reversal of 451134212 is 212431154.

It can be written as a sum of positive squares in only one way, i.e., 241926916 + 209207296 = 15554^2 + 14464^2 .

It is not an unprimeable number, because it can be changed into a prime (451134217) 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 as a sum of consecutive naturals, namely, 56391773 + ... + 56391780.

It is an arithmetic number, because the mean of its divisors is an integer number (131580813).

Almost surely, 2^451134212 is an apocalyptic number.

It is an amenable number.

451134212 is a deficient number, since it is larger than the sum of its proper divisors (338350666).

451134212 is a wasteful number, since it uses less digits than its factorization.

451134212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112783557 (or 112783555 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 451134212 is about 21239.9202446714. The cubic root of 451134212 is about 766.9527125017.

Adding to 451134212 its reverse (212431154), we get a palindrome (663565366).

The spelling of 451134212 in words is "four hundred fifty-one million, one hundred thirty-four thousand, two hundred twelve".