454478180 has 144 divisors (see below), whose sum is σ = 1095716160. Its totient is φ = 158086656.

The previous prime is 454478177. The next prime is 454478207. The reversal of 454478180 is 81874454.

It is a super-2 number, since 2×454478180² = 413100832192224800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7702991 + ... + 7703049.

It is an arithmetic number, because the mean of its divisors is an integer number (7609140).

Almost surely, 2^454478180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454478180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547858080).

454478180 is an abundant number, since it is smaller than the sum of its proper divisors (641237980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454478180 is a wasteful number, since it uses less digits than its factorization.

454478180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 454478180 is about 21318.4938492380. The cubic root of 454478180 is about 768.8430254712.

The spelling of 454478180 in words is "four hundred fifty-four million, four hundred seventy-eight thousand, one hundred eighty".