1145344 has 20 divisors (see below), whose sum is σ = 2289474. Its totient is φ = 572416.

The previous prime is 1145329. The next prime is 1145359. The reversal of 1145344 is 4435411.

It is an interprime number because it is at equal distance from previous prime (1145329) and next prime (1145359).

It can be written as a sum of positive squares in only one way, i.e., 831744 + 313600 = 912^2 + 560^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607 + ... + 1630.

2^1145344 is an apocalyptic number.

It is an amenable number.

1145344 is a deficient number, since it is larger than the sum of its proper divisors (1144130).

1145344 is an frugal number, since it uses more digits than its factorization.

1145344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2239 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 1145344 is about 1070.2074565242. The cubic root of 1145344 is about 104.6273715304.

The spelling of 1145344 in words is "one million, one hundred forty-five thousand, three hundred forty-four".