1144013455 has 16 divisors (see below), whose sum is σ = 1479147264. Its totient is φ = 844392960.

The previous prime is 1144013407. The next prime is 1144013467. The reversal of 1144013455 is 5543104411.

It is not a de Polignac number, because 1144013455 - 2⁷ = 1144013327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 206370 + ... + 211840.

It is an arithmetic number, because the mean of its divisors is an integer number (92446704).

Almost surely, 2^1144013455 is an apocalyptic number.

1144013455 is a deficient number, since it is larger than the sum of its proper divisors (335133809).

1144013455 is a wasteful number, since it uses less digits than its factorization.

1144013455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1144013455 is about 33823.2679526979. The cubic root of 1144013455 is about 1045.8684065986.

Adding to 1144013455 its reverse (5543104411), we get a palindrome (6687117866).

The spelling of 1144013455 in words is "one billion, one hundred forty-four million, thirteen thousand, four hundred fifty-five".