1154452000 has 144 divisors (see below), whose sum is σ = 3075318792. Its totient is φ = 423398400.

The previous prime is 1154451959. The next prime is 1154452007. The reversal of 1154452000 is 2544511.

It can be written as a sum of positive squares in 12 ways, for example, as 644956816 + 509495184 = 25396^2 + 22572^2 .

It is not an unprimeable number, because it can be changed into a prime (1154452007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7747926 + ... + 7748074.

Almost surely, 2^1154452000 is an apocalyptic number.

1154452000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537659396).

1154452000 is an abundant number, since it is smaller than the sum of its proper divisors (1920866792).

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

1154452000 is an equidigital number, since it uses as much as digits as its factorization.

1154452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1154452000 is about 33977.2276679543. The cubic root of 1154452000 is about 1049.0397873194.

Adding to 1154452000 its reverse (2544511), we get a palindrome (1156996511).

The spelling of 1154452000 in words is "one billion, one hundred fifty-four million, four hundred fifty-two thousand".