451154432 has 60 divisors (see below), whose sum is σ = 957886050. Its totient is φ = 212238336.

The previous prime is 451154413. The next prime is 451154441. The reversal of 451154432 is 234451154.

It can be written as a sum of positive squares in 3 ways, for example, as 405780736 + 45373696 = 20144^2 + 6736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451154395 and 451154404.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146444 + ... + 149492.

Almost surely, 2^451154432 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 451154432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478943025).

451154432 is an abundant number, since it is smaller than the sum of its proper divisors (506731618).

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

451154432 is an equidigital number, since it uses as much as digits as its factorization.

451154432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101 (or 3068 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 451154432 is about 21240.3962298258. The cubic root of 451154432 is about 766.9641706974.

The spelling of 451154432 in words is "four hundred fifty-one million, one hundred fifty-four thousand, four hundred thirty-two".