1154203648 has 60 divisors (see below), whose sum is σ = 2486359960. Its totient is φ = 532611072.

The previous prime is 1154203637. The next prime is 1154203663. The reversal of 1154203648 is 8463024511.

It is a super-2 number, since 2×1154203648² = 2664372122113015808, which contains 22 as substring.

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, 210283 + ... + 215701.

Almost surely, 2^1154203648 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 1154203648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243179980).

1154203648 is an abundant number, since it is smaller than the sum of its proper divisors (1332156312).

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

1154203648 is an frugal number, since it uses more digits than its factorization.

1154203648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1154203648 is about 33973.5727882718. The cubic root of 1154203648 is about 1048.9645568742.

The spelling of 1154203648 in words is "one billion, one hundred fifty-four million, two hundred three thousand, six hundred forty-eight".