1145993 has 8 divisors (see below), whose sum is σ = 1214400. Its totient is φ = 1079568.

The previous prime is 1145983. The next prime is 1145999. The reversal of 1145993 is 3995411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1145999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (151800).

2^1145993 is an apocalyptic number.

It is an amenable number.

1145993 is a deficient number, since it is larger than the sum of its proper divisors (68407).

1145993 is an equidigital number, since it uses as much as digits as its factorization.

1145993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its digits is 4860, while the sum is 32.

The square root of 1145993 is about 1070.5106258230. The cubic root of 1145993 is about 104.6471298861.

The spelling of 1145993 in words is "one million, one hundred forty-five thousand, nine hundred ninety-three".