1144453403 has 8 divisors (see below), whose sum is σ = 1158364800. Its totient is φ = 1130565568.

The previous prime is 1144453397. The next prime is 1144453411. The reversal of 1144453403 is 3043544411.

It is a happy number.

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 1144453403 - 2³⁰ = 70711579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144453423) 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, 104150 + ... + 114612.

It is an arithmetic number, because the mean of its divisors is an integer number (144795600).

Almost surely, 2^1144453403 is an apocalyptic number.

1144453403 is a deficient number, since it is larger than the sum of its proper divisors (13911397).

1144453403 is a wasteful number, since it uses less digits than its factorization.

1144453403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11781.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1144453403 is about 33829.7709569545. The cubic root of 1144453403 is about 1046.0024576861.

Adding to 1144453403 its reverse (3043544411), we get a palindrome (4187997814).

The spelling of 1144453403 in words is "one billion, one hundred forty-four million, four hundred fifty-three thousand, four hundred three".