451133133 has 20 divisors (see below), whose sum is σ = 661722240. Its totient is φ = 273387400.

The previous prime is 451133113. The next prime is 451133141. The reversal of 451133133 is 331331154.

It is not a de Polignac number, because 451133133 - 2⁵ = 451133101 is a prime.

It is a super-2 number, since 2×451133133² = 407042207380791378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451133113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38788 + ... + 49058.

It is an arithmetic number, because the mean of its divisors is an integer number (33086112).

Almost surely, 2^451133133 is an apocalyptic number.

It is an amenable number.

451133133 is a deficient number, since it is larger than the sum of its proper divisors (210589107).

451133133 is an equidigital number, since it uses as much as digits as its factorization.

451133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318 (or 10285 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 451133133 is about 21239.8948443725. The cubic root of 451133133 is about 766.9521010484.

Adding to 451133133 its reverse (331331154), we get a palindrome (782464287).

The spelling of 451133133 in words is "four hundred fifty-one million, one hundred thirty-three thousand, one hundred thirty-three".