1145488 has 10 divisors (see below), whose sum is σ = 2219414. Its totient is φ = 572736.

The previous prime is 1145479. The next prime is 1145497. The reversal of 1145488 is 8845411.

It is an interprime number because it is at equal distance from previous prime (1145479) and next prime (1145497).

It can be written as a sum of positive squares in only one way, i.e., 944784 + 200704 = 972^2 + 448^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35781 + ... + 35812.

2^1145488 is an apocalyptic number.

It is an amenable number.

1145488 is a deficient number, since it is larger than the sum of its proper divisors (1073926).

1145488 is an equidigital number, since it uses as much as digits as its factorization.

1145488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71601 (or 71595 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 1145488 is about 1070.2747310854. The cubic root of 1145488 is about 104.6317561549.

The spelling of 1145488 in words is "one million, one hundred forty-five thousand, four hundred eighty-eight".