1144450555 has 16 divisors (see below), whose sum is σ = 1394314560. Its totient is φ = 901660672.

The previous prime is 1144450543. The next prime is 1144450561. The reversal of 1144450555 is 5550544411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144450555 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144450555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109362 + ... + 119368.

It is an arithmetic number, because the mean of its divisors is an integer number (87144660).

Almost surely, 2^1144450555 is an apocalyptic number.

1144450555 is a deficient number, since it is larger than the sum of its proper divisors (249864005).

1144450555 is a wasteful number, since it uses less digits than its factorization.

1144450555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10358.

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 1144450555 is about 33829.7288638263. The cubic root of 1144450555 is about 1046.0015900179.

Adding to 1144450555 its reverse (5550544411), we get a palindrome (6694994966).

The spelling of 1144450555 in words is "one billion, one hundred forty-four million, four hundred fifty thousand, five hundred fifty-five".