451144227 has 24 divisors (see below), whose sum is σ = 645353040. Its totient is φ = 280221120.

The previous prime is 451144217. The next prime is 451144229. The reversal of 451144227 is 722441154.

It is not a de Polignac number, because 451144227 - 2⁶ = 451144163 is a prime.

It is a super-2 number, since 2×451144227² = 407062227110855058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 451144194 and 451144203.

It is not an unprimeable number, because it can be changed into a prime (451144229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62649 + ... + 69477.

It is an arithmetic number, because the mean of its divisors is an integer number (26889710).

Almost surely, 2^451144227 is an apocalyptic number.

451144227 is a deficient number, since it is larger than the sum of its proper divisors (194208813).

451144227 is a wasteful number, since it uses less digits than its factorization.

451144227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931 (or 6912 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 451144227 is about 21240.1560022520. The cubic root of 451144227 is about 766.9583878081.

The spelling of 451144227 in words is "four hundred fifty-one million, one hundred forty-four thousand, two hundred twenty-seven".