1145841 has 8 divisors (see below), whose sum is σ = 1536480. Its totient is φ = 759552.

The previous prime is 1145831. The next prime is 1145843. The reversal of 1145841 is 1485411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145841 - 2⁷ = 1145713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1145843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 411 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (192060).

2^1145841 is an apocalyptic number.

It is an amenable number.

1145841 is a deficient number, since it is larger than the sum of its proper divisors (390639).

1145841 is a wasteful number, since it uses less digits than its factorization.

1145841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175.

The product of its digits is 640, while the sum is 24.

The square root of 1145841 is about 1070.4396293112. The cubic root of 1145841 is about 104.6425030204.

The spelling of 1145841 in words is "one million, one hundred forty-five thousand, eight hundred forty-one".