1133145232 has 80 divisors (see below), whose sum is σ = 2399846400. Its totient is φ = 516700800.

The previous prime is 1133145227. The next prime is 1133145253. The reversal of 1133145232 is 2325413311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1133145197 and 1133145206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809269 + ... + 810667.

It is an arithmetic number, because the mean of its divisors is an integer number (29998080).

Almost surely, 2^1133145232 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 1133145232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199923200).

1133145232 is an abundant number, since it is smaller than the sum of its proper divisors (1266701168).

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

1133145232 is a wasteful number, since it uses less digits than its factorization.

1133145232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1526 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1133145232 is about 33662.2226241821. Note that the first 3 decimals coincide. The cubic root of 1133145232 is about 1042.5459173475.

Adding to 1133145232 its reverse (2325413311), we get a palindrome (3458558543).

The spelling of 1133145232 in words is "one billion, one hundred thirty-three million, one hundred forty-five thousand, two hundred thirty-two".