1145288 has 16 divisors (see below), whose sum is σ = 2160000. Its totient is φ = 569296.

The previous prime is 1145281. The next prime is 1145293. The reversal of 1145288 is 8825411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145288.

It is not an unprimeable number, because it can be changed into a prime (1145281) 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, 1613 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

2^1145288 is an apocalyptic number.

It is an amenable number.

1145288 is a deficient number, since it is larger than the sum of its proper divisors (1014712).

1145288 is a wasteful number, since it uses less digits than its factorization.

1145288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 840 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 1145288 is about 1070.1812930527. The cubic root of 1145288 is about 104.6256662994.

The spelling of 1145288 in words is "one million, one hundred forty-five thousand, two hundred eighty-eight".