1145746 has 8 divisors (see below), whose sum is σ = 1964160. Its totient is φ = 491028.

The previous prime is 1145743. The next prime is 1145747. The reversal of 1145746 is 6475411.

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

It is not an unprimeable number, because it can be changed into a prime (1145741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40906 + ... + 40933.

It is an arithmetic number, because the mean of its divisors is an integer number (245520).

2^1145746 is an apocalyptic number.

1145746 is a deficient number, since it is larger than the sum of its proper divisors (818414).

1145746 is an equidigital number, since it uses as much as digits as its factorization.

1145746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81848.

The product of its digits is 3360, while the sum is 28.

The square root of 1145746 is about 1070.3952541001. The cubic root of 1145746 is about 104.6396110216.

It can be divided in two parts, 1145 and 746, that added together give a triangular number (1891 = T₆₁).

The spelling of 1145746 in words is "one million, one hundred forty-five thousand, seven hundred forty-six".