1154505330 has 96 divisors (see below), whose sum is σ = 3311642880. Its totient is φ = 276714240.

The previous prime is 1154505299. The next prime is 1154505367. The reversal of 1154505330 is 335054511.

1154505330 is a `hidden beast` number, since 1 + 154 + 505 + 3 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1154505294 and 1154505303.

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 47 ways as a sum of consecutive naturals, for example, 81559 + ... + 94661.

It is an arithmetic number, because the mean of its divisors is an integer number (34496280).

Almost surely, 2^1154505330 is an apocalyptic number.

1154505330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154505330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655821440).

1154505330 is an abundant number, since it is smaller than the sum of its proper divisors (2157137550).

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

1154505330 is a wasteful number, since it uses less digits than its factorization.

1154505330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13216 (or 13213 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1154505330 is about 33978.0124492296. The cubic root of 1154505330 is about 1049.0559405622.

Adding to 1154505330 its reverse (335054511), we get a palindrome (1489559841).

The spelling of 1154505330 in words is "one billion, one hundred fifty-four million, five hundred five thousand, three hundred thirty".