1144490 has 16 divisors (see below), whose sum is σ = 2074248. Its totient is φ = 454656.

The previous prime is 1144483. The next prime is 1144499. The reversal of 1144490 is 944411.

It can be written as a sum of positive squares in 4 ways, for example, as 840889 + 303601 = 917^2 + 551^2 .

It is not an unprimeable number, because it can be changed into a prime (1144499) 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 7 ways as a sum of consecutive naturals, for example, 1634 + ... + 2226.

2^1144490 is an apocalyptic number.

1144490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144490 is a deficient number, since it is larger than the sum of its proper divisors (929758).

1144490 is a wasteful number, since it uses less digits than its factorization.

1144490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1144490 is about 1069.8083940594. The cubic root of 1144490 is about 104.6013607155.

The spelling of 1144490 in words is "one million, one hundred forty-four thousand, four hundred ninety".