1144203554 has 8 divisors (see below), whose sum is σ = 1848328860. Its totient is φ = 528093936.

The previous prime is 1144203551. The next prime is 1144203601. The reversal of 1144203554 is 4553024411.

It can be written as a sum of positive squares in 2 ways, for example, as 912342025 + 231861529 = 30205^2 + 15227^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1144203551) 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, 22003889 + ... + 22003940.

Almost surely, 2^1144203554 is an apocalyptic number.

1144203554 is a deficient number, since it is larger than the sum of its proper divisors (704125306).

1144203554 is a wasteful number, since it uses less digits than its factorization.

1144203554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44007844.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1144203554 is about 33826.0780168201. The cubic root of 1144203554 is about 1045.9263335183.

Adding to 1144203554 its reverse (4553024411), we get a palindrome (5697227965).

The spelling of 1144203554 in words is "one billion, one hundred forty-four million, two hundred three thousand, five hundred fifty-four".