451228171 has 8 divisors (see below), whose sum is σ = 458194880. Its totient is φ = 444292992.

The previous prime is 451228147. The next prime is 451228231. The reversal of 451228171 is 171822154.

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

It is a cyclic number.

It is not a de Polignac number, because 451228171 - 2¹¹ = 451226123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451228121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21811 + ... + 37123.

It is an arithmetic number, because the mean of its divisors is an integer number (57274360).

Almost surely, 2^451228171 is an apocalyptic number.

451228171 is a deficient number, since it is larger than the sum of its proper divisors (6966709).

451228171 is a wasteful number, since it uses less digits than its factorization.

451228171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765.

The product of its digits is 4480, while the sum is 31.

The square root of 451228171 is about 21242.1319786880. The cubic root of 451228171 is about 767.0059539435.

The spelling of 451228171 in words is "four hundred fifty-one million, two hundred twenty-eight thousand, one hundred seventy-one".