1145392 has 20 divisors (see below), whose sum is σ = 2350296. Its totient is φ = 538880.

The previous prime is 1145387. The next prime is 1145393. The reversal of 1145392 is 2935411.

It is not an unprimeable number, because it can be changed into a prime (1145393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834 + ... + 2377.

2^1145392 is an apocalyptic number.

It is an amenable number.

1145392 is an abundant number, since it is smaller than the sum of its proper divisors (1204904).

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

1145392 is a wasteful number, since it uses less digits than its factorization.

1145392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4230 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 1145392 is about 1070.2298818478. The cubic root of 1145392 is about 104.6288331127.

The spelling of 1145392 in words is "one million, one hundred forty-five thousand, three hundred ninety-two".