1144454355 has 48 divisors (see below), whose sum is σ = 2258171136. Its totient is φ = 530756160.

The previous prime is 1144454317. The next prime is 1144454357. The reversal of 1144454355 is 5534544411.

It is not a de Polignac number, because 1144454355 - 2⁶ = 1144454291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144454357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38877 + ... + 61646.

It is an arithmetic number, because the mean of its divisors is an integer number (47045232).

Almost surely, 2^1144454355 is an apocalyptic number.

1144454355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144454355 is a deficient number, since it is larger than the sum of its proper divisors (1113716781).

1144454355 is a wasteful number, since it uses less digits than its factorization.

1144454355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100568 (or 100565 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 1144454355 is about 33829.7850273986. The cubic root of 1144454355 is about 1046.0027477209.

Adding to 1144454355 its reverse (5534544411), we get a palindrome (6678998766).

The spelling of 1144454355 in words is "one billion, one hundred forty-four million, four hundred fifty-four thousand, three hundred fifty-five".