1144354081 has 8 divisors (see below), whose sum is σ = 1232648424. Its totient is φ = 1056097920.

The previous prime is 1144354067. The next prime is 1144354109. The reversal of 1144354081 is 1804534411.

It can be written as a sum of positive squares in 4 ways, for example, as 34398225 + 1109955856 = 5865^2 + 33316^2 .

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 1144354081 - 2¹⁷ = 1144223009 is a prime.

It is a super-2 number, since 2×1144354081² = 2619092525402709122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144354381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95991 + ... + 107251.

It is an arithmetic number, because the mean of its divisors is an integer number (154081053).

Almost surely, 2^1144354081 is an apocalyptic number.

It is an amenable number.

1144354081 is a deficient number, since it is larger than the sum of its proper divisors (88294343).

1144354081 is a wasteful number, since it uses less digits than its factorization.

1144354081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19091.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1144354081 is about 33828.3029577305. The cubic root of 1144354081 is about 1045.9721975167.

Adding to 1144354081 its reverse (1804534411), we get a palindrome (2948888492).

The spelling of 1144354081 in words is "one billion, one hundred forty-four million, three hundred fifty-four thousand, eighty-one".