1145388895 has 16 divisors (see below), whose sum is σ = 1585235520. Its totient is φ = 778201344.

The previous prime is 1145388863. The next prime is 1145388941. The reversal of 1145388895 is 5988835411.

It is a cyclic number.

It is not a de Polignac number, because 1145388895 - 2⁵ = 1145388863 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 146302 + ... + 153931.

It is an arithmetic number, because the mean of its divisors is an integer number (99077220).

Almost surely, 2^1145388895 is an apocalyptic number.

1145388895 is a deficient number, since it is larger than the sum of its proper divisors (439846625).

1145388895 is a wasteful number, since it uses less digits than its factorization.

1145388895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300354.

The product of its digits is 1382400, while the sum is 52.

The square root of 1145388895 is about 33843.5945933643. The cubic root of 1145388895 is about 1046.2873856785.

The spelling of 1145388895 in words is "one billion, one hundred forty-five million, three hundred eighty-eight thousand, eight hundred ninety-five".