1144454235 has 16 divisors (see below), whose sum is σ = 1833083136. Its totient is φ = 609723488.

The previous prime is 1144454107. The next prime is 1144454287. The reversal of 1144454235 is 5324544411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1144454235 - 2⁷ = 1144454107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144454196 and 1144454205.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26079 + ... + 54488.

It is an arithmetic number, because the mean of its divisors is an integer number (114567696).

Almost surely, 2^1144454235 is an apocalyptic number.

1144454235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144454235 is a deficient number, since it is larger than the sum of its proper divisors (688628901).

1144454235 is an equidigital number, since it uses as much as digits as its factorization.

1144454235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81522.

The product of its digits is 38400, while the sum is 33.

The square root of 1144454235 is about 33829.7832538135. The cubic root of 1144454235 is about 1046.0027111619.

Adding to 1144454235 its reverse (5324544411), we get a palindrome (6468998646).

The spelling of 1144454235 in words is "one billion, one hundred forty-four million, four hundred fifty-four thousand, two hundred thirty-five".