1145248 has 24 divisors (see below), whose sum is σ = 2429028. Its totient is φ = 528384.

The previous prime is 1145227. The next prime is 1145269. The reversal of 1145248 is 8425411.

It is an interprime number because it is at equal distance from previous prime (1145227) and next prime (1145269).

It can be written as a sum of positive squares in 2 ways, for example, as 1140624 + 4624 = 1068^2 + 68^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961 + ... + 1792.

2^1145248 is an apocalyptic number.

It is an amenable number.

1145248 is an abundant number, since it is smaller than the sum of its proper divisors (1283780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145248 is a wasteful number, since it uses less digits than its factorization.

1145248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776 (or 2768 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 1145248 is about 1070.1626044672. The cubic root of 1145248 is about 104.6244482432.

The spelling of 1145248 in words is "one million, one hundred forty-five thousand, two hundred forty-eight".