1145135 has 4 divisors (see below), whose sum is σ = 1374168. Its totient is φ = 916104.

The previous prime is 1145129. The next prime is 1145141. The reversal of 1145135 is 5315411.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1145129) and next prime (1145141).

It is a cyclic number.

It is not a de Polignac number, because 1145135 - 2⁸ = 1144879 is a prime.

It is a super-2 number, since 2×1145135² = 2622668336450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114509 + ... + 114518.

It is an arithmetic number, because the mean of its divisors is an integer number (343542).

2^1145135 is an apocalyptic number.

1145135 is a deficient number, since it is larger than the sum of its proper divisors (229033).

1145135 is an equidigital number, since it uses as much as digits as its factorization.

1145135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229032.

The product of its digits is 300, while the sum is 20.

The square root of 1145135 is about 1070.1098074497. The cubic root of 1145135 is about 104.6210070813.

The spelling of 1145135 in words is "one million, one hundred forty-five thousand, one hundred thirty-five".