1145085 has 16 divisors (see below), whose sum is σ = 1853376. Its totient is φ = 603648.

The previous prime is 1145077. The next prime is 1145093. The reversal of 1145085 is 5805411.

It is an interprime number because it is at equal distance from previous prime (1145077) and next prime (1145093).

It is not a de Polignac number, because 1145085 - 2³ = 1145077 is a prime.

It is a super-2 number, since 2×1145085² = 2622439314450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (115836).

2^1145085 is an apocalyptic number.

1145085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145085 is a deficient number, since it is larger than the sum of its proper divisors (708291).

1145085 is an equidigital number, since it uses as much as digits as its factorization.

1145085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1145085 is about 1070.0864451062. The cubic root of 1145085 is about 104.6194843710.

The spelling of 1145085 in words is "one million, one hundred forty-five thousand, eighty-five".