454143872 has 128 divisors (see below), whose sum is σ = 1125949440. Its totient is φ = 177666048.

The previous prime is 454143829. The next prime is 454143881. The reversal of 454143872 is 278341454.

It is a tau number, because it is divible by the number of its divisors (128).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479143 + ... + 1479449.

It is an arithmetic number, because the mean of its divisors is an integer number (8796480).

Almost surely, 2^454143872 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 454143872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562974720).

454143872 is an abundant number, since it is smaller than the sum of its proper divisors (671805568).

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

454143872 is a wasteful number, since it uses less digits than its factorization.

454143872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 456 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 454143872 is about 21310.6516089959. The cubic root of 454143872 is about 768.6544623866.

The spelling of 454143872 in words is "four hundred fifty-four million, one hundred forty-three thousand, eight hundred seventy-two".