1145115532 has 12 divisors (see below), whose sum is σ = 2186129736. Its totient is φ = 520507040.

The previous prime is 1145115497. The next prime is 1145115551. The reversal of 1145115532 is 2355115411.

It is a super-2 number, since 2×1145115532² = 2622579163255286048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145115532.

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, 13012633 + ... + 13012720.

It is an arithmetic number, because the mean of its divisors is an integer number (182177478).

Almost surely, 2^1145115532 is an apocalyptic number.

It is an amenable number.

1145115532 is a deficient number, since it is larger than the sum of its proper divisors (1041014204).

1145115532 is a wasteful number, since it uses less digits than its factorization.

1145115532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26025368 (or 26025366 counting only the distinct ones).

The product of its digits is 3000, while the sum is 28.

The square root of 1145115532 is about 33839.5557299442. Note that the first 3 decimals coincide. The cubic root of 1145115532 is about 1046.2041420406.

The spelling of 1145115532 in words is "one billion, one hundred forty-five million, one hundred fifteen thousand, five hundred thirty-two".