1145858 has 8 divisors (see below), whose sum is σ = 1964352. Its totient is φ = 491076.

The previous prime is 1145849. The next prime is 1145873. The reversal of 1145858 is 8585411.

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

It is a Curzon 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, 40910 + ... + 40937.

It is an arithmetic number, because the mean of its divisors is an integer number (245544).

2^1145858 is an apocalyptic number.

1145858 is a deficient number, since it is larger than the sum of its proper divisors (818494).

1145858 is an equidigital number, since it uses as much as digits as its factorization.

1145858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81856.

The product of its digits is 6400, while the sum is 32.

The square root of 1145858 is about 1070.4475699445. The cubic root of 1145858 is about 104.6430205192.

The spelling of 1145858 in words is "one million, one hundred forty-five thousand, eight hundred fifty-eight".