1144858 has 16 divisors (see below), whose sum is σ = 2018016. Its totient is φ = 480240.

The previous prime is 1144837. The next prime is 1144867. The reversal of 1144858 is 8584411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (126126).

2^1144858 is an apocalyptic number.

1144858 is a deficient number, since it is larger than the sum of its proper divisors (873158).

1144858 is a wasteful number, since it uses less digits than its factorization.

1144858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029.

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

The square root of 1144858 is about 1069.9803736518. The cubic root of 1144858 is about 104.6125707088.

It can be divided in two parts, 1144 and 858, that added together give a palindrome (2002).

The spelling of 1144858 in words is "one million, one hundred forty-four thousand, eight hundred fifty-eight".