1145264 has 20 divisors (see below), whose sum is σ = 2291520. Its totient is φ = 553920.

The previous prime is 1145227. The next prime is 1145269. The reversal of 1145264 is 4625411.

1145264 = 177² + 178² + ... + 207².

1145264 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1145269) 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, 659 + ... + 1650.

It is an arithmetic number, because the mean of its divisors is an integer number (114576).

2^1145264 is an apocalyptic number.

It is an amenable number.

1145264 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1145264 is a wasteful number, since it uses less digits than its factorization.

1145264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348 (or 2342 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 1145264 is about 1070.1700799406. The cubic root of 1145264 is about 104.6249354691.

The spelling of 1145264 in words is "one million, one hundred forty-five thousand, two hundred sixty-four".