1155469284 has 18 divisors (see below), whose sum is σ = 2920769670. Its totient is φ = 385156416.

The previous prime is 1155469283. The next prime is 1155469309. The reversal of 1155469284 is 4829645511.

1155469284 is a `hidden beast` number, since 1 + 1 + 554 + 6 + 92 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 941139684 + 214329600 = 30678^2 + 14640^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1155469283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16048149 + ... + 16048220.

Almost surely, 2^1155469284 is an apocalyptic number.

It is an amenable number.

1155469284 is an abundant number, since it is smaller than the sum of its proper divisors (1765300386).

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

1155469284 is a wasteful number, since it uses less digits than its factorization.

1155469284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32096379 (or 32096374 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1155469284 is about 33992.1944569632. The cubic root of 1155469284 is about 1049.3478290242.

The spelling of 1155469284 in words is "one billion, one hundred fifty-five million, four hundred sixty-nine thousand, two hundred eighty-four".