451228135 has 8 divisors (see below), whose sum is σ = 556108416. Its totient is φ = 351226080.

The previous prime is 451228133. The next prime is 451228147. The reversal of 451228135 is 531822154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 451228135 - 2¹ = 451228133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451228097 and 451228106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451228133) 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 7 ways as a sum of consecutive naturals, for example, 1219351 + ... + 1219720.

It is an arithmetic number, because the mean of its divisors is an integer number (69513552).

Almost surely, 2^451228135 is an apocalyptic number.

451228135 is a deficient number, since it is larger than the sum of its proper divisors (104880281).

451228135 is a wasteful number, since it uses less digits than its factorization.

451228135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439113.

The product of its digits is 9600, while the sum is 31.

The square root of 451228135 is about 21242.1311313154. The cubic root of 451228135 is about 767.0059335457.

The spelling of 451228135 in words is "four hundred fifty-one million, two hundred twenty-eight thousand, one hundred thirty-five".