1145764 has 12 divisors (see below), whose sum is σ = 2026444. Its totient is φ = 566784.

The previous prime is 1145747. The next prime is 1145773. The reversal of 1145764 is 4675411.

It can be written as a sum of positive squares in 2 ways, for example, as 736164 + 409600 = 858^2 + 640^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089 + ... + 1864.

2^1145764 is an apocalyptic number.

It is an amenable number.

1145764 is a deficient number, since it is larger than the sum of its proper divisors (880680).

1145764 is a wasteful number, since it uses less digits than its factorization.

1145764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3052 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1145764 is about 1070.4036621761. The cubic root of 1145764 is about 104.6401589916.

The spelling of 1145764 in words is "one million, one hundred forty-five thousand, seven hundred sixty-four".