450143328 has 24 divisors (see below), whose sum is σ = 1181626488. Its totient is φ = 150047744.

The previous prime is 450143311. The next prime is 450143377. The reversal of 450143328 is 823341054.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 450143295 and 450143304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344401 + ... + 2344592.

It is an arithmetic number, because the mean of its divisors is an integer number (49234437).

Almost surely, 2^450143328 is an apocalyptic number.

450143328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

450143328 is an abundant number, since it is smaller than the sum of its proper divisors (731483160).

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

450143328 is a wasteful number, since it uses less digits than its factorization.

450143328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689006 (or 4688998 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 450143328 is about 21216.5814399964. The cubic root of 450143328 is about 766.3907819784.

The spelling of 450143328 in words is "four hundred fifty million, one hundred forty-three thousand, three hundred twenty-eight".