1145633136 has 20 divisors (see below), whose sum is σ = 2959552392. Its totient is φ = 381877696.

The previous prime is 1145633129. The next prime is 1145633141. The reversal of 1145633136 is 6313365411.

It is a junction number, because it is equal to n+sod(n) for n = 1145633097 and 1145633106.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11933631 + ... + 11933726.

Almost surely, 2^1145633136 is an apocalyptic number.

1145633136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1145633136 is an abundant number, since it is smaller than the sum of its proper divisors (1813919256).

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

1145633136 is a wasteful number, since it uses less digits than its factorization.

1145633136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23867368 (or 23867362 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 1145633136 is about 33847.2027795503. The cubic root of 1145633136 is about 1046.3617499742.

Adding to 1145633136 its reverse (6313365411), we get a palindrome (7458998547).

The spelling of 1145633136 in words is "one billion, one hundred forty-five million, six hundred thirty-three thousand, one hundred thirty-six".