1148745 has 32 divisors (see below), whose sum is σ = 2040192. Its totient is φ = 548352.

The previous prime is 1148737. The next prime is 1148747. The reversal of 1148745 is 5478411.

It is not a de Polignac number, because 1148745 - 2³ = 1148737 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1148747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8317 + ... + 8453.

It is an arithmetic number, because the mean of its divisors is an integer number (63756).

2^1148745 is an apocalyptic number.

1148745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1148745 is a deficient number, since it is larger than the sum of its proper divisors (891447).

1148745 is a wasteful number, since it uses less digits than its factorization.

1148745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201.

The product of its digits is 4480, while the sum is 30.

The square root of 1148745 is about 1071.7952229787. The cubic root of 1148745 is about 104.7308298395.

The spelling of 1148745 in words is "one million, one hundred forty-eight thousand, seven hundred forty-five".