1188848145 has 32 divisors (see below), whose sum is σ = 2021760000. Its totient is φ = 594834624.

The previous prime is 1188848137. The next prime is 1188848149. The reversal of 1188848145 is 5418488811.

It is not a de Polignac number, because 1188848145 - 2³ = 1188848137 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1188848094 and 1188848103.

It is not an unprimeable number, because it can be changed into a prime (1188848149) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9106 + ... + 49604.

It is an arithmetic number, because the mean of its divisors is an integer number (63180000).

Almost surely, 2^1188848145 is an apocalyptic number.

1188848145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1188848145 is a deficient number, since it is larger than the sum of its proper divisors (832911855).

1188848145 is a wasteful number, since it uses less digits than its factorization.

1188848145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40629.

The product of its digits is 327680, while the sum is 48.

The square root of 1188848145 is about 34479.6772751718. The cubic root of 1188848145 is about 1059.3564816596.

The spelling of 1188848145 in words is "one billion, one hundred eighty-eight million, eight hundred forty-eight thousand, one hundred forty-five".