1164445 has 8 divisors (see below), whose sum is σ = 1403136. Its totient is φ = 927696.

The previous prime is 1164439. The next prime is 1164461. The reversal of 1164445 is 5444611.

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

It is a cyclic number.

It is not a de Polignac number, because 1164445 - 2⁵ = 1164413 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2064 + ... + 2566.

It is an arithmetic number, because the mean of its divisors is an integer number (175392).

2^1164445 is an apocalyptic number.

It is an amenable number.

1164445 is a deficient number, since it is larger than the sum of its proper divisors (238691).

1164445 is an equidigital number, since it uses as much as digits as its factorization.

1164445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its digits is 1920, while the sum is 25.

The square root of 1164445 is about 1079.0945278334. The cubic root of 1164445 is about 105.2057944251.

It can be divided in two parts, 116 and 4445, that multiplied together give a triangular number (515620 = T₁₀₁₅).

The spelling of 1164445 in words is "one million, one hundred sixty-four thousand, four hundred forty-five".