1144491 has 8 divisors (see below), whose sum is σ = 1615824. Its totient is φ = 718080.

The previous prime is 1144483. The next prime is 1144499. The reversal of 1144491 is 1944411.

It is an interprime number because it is at equal distance from previous prime (1144483) and next prime (1144499).

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

It is not a de Polignac number, because 1144491 - 2³ = 1144483 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1144499) 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, 11170 + ... + 11271.

It is an arithmetic number, because the mean of its divisors is an integer number (201978).

2^1144491 is an apocalyptic number.

1144491 is a deficient number, since it is larger than the sum of its proper divisors (471333).

1144491 is a wasteful number, since it uses less digits than its factorization.

1144491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22461.

The product of its digits is 576, while the sum is 24.

The square root of 1144491 is about 1069.8088614327. The cubic root of 1144491 is about 104.6013911807.

The spelling of 1144491 in words is "one million, one hundred forty-four thousand, four hundred ninety-one".