1148845 has 4 divisors (see below), whose sum is σ = 1378620. Its totient is φ = 919072.

The previous prime is 1148839. The next prime is 1148857. The reversal of 1148845 is 5488411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5488411 = 1733 ⋅3167.

It can be written as a sum of positive squares in 2 ways, for example, as 335241 + 813604 = 579^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148845 - 2³ = 1148837 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114880 + ... + 114889.

It is an arithmetic number, because the mean of its divisors is an integer number (344655).

2^1148845 is an apocalyptic number.

It is an amenable number.

1148845 is a deficient number, since it is larger than the sum of its proper divisors (229775).

1148845 is an equidigital number, since it uses as much as digits as its factorization.

1148845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229774.

The product of its digits is 5120, while the sum is 31.

The square root of 1148845 is about 1071.8418726659. The cubic root of 1148845 is about 104.7338687440.

The spelling of 1148845 in words is "one million, one hundred forty-eight thousand, eight hundred forty-five".