1145913788 has 12 divisors (see below), whose sum is σ = 2110893960. Its totient is φ = 542801232.

The previous prime is 1145913779. The next prime is 1145913799. The reversal of 1145913788 is 8873195411.

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, 7538831 + ... + 7538982.

It is an arithmetic number, because the mean of its divisors is an integer number (175907830).

Almost surely, 2^1145913788 is an apocalyptic number.

It is an amenable number.

1145913788 is a deficient number, since it is larger than the sum of its proper divisors (964980172).

1145913788 is a wasteful number, since it uses less digits than its factorization.

1145913788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077836 (or 15077834 counting only the distinct ones).

The product of its digits is 241920, while the sum is 47.

The square root of 1145913788 is about 33851.3483926416. The cubic root of 1145913788 is about 1046.4471873136.

The spelling of 1145913788 in words is "one billion, one hundred forty-five million, nine hundred thirteen thousand, seven hundred eighty-eight".