1144354471 has 16 divisors (see below), whose sum is σ = 1277740800. Its totient is φ = 1017612288.

The previous prime is 1144354459. The next prime is 1144354481. The reversal of 1144354471 is 1744534411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144354471 is a prime.

It is a super-3 number, since 3×1144354471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144354441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177415 + ... + 183751.

It is an arithmetic number, because the mean of its divisors is an integer number (79858800).

Almost surely, 2^1144354471 is an apocalyptic number.

1144354471 is a deficient number, since it is larger than the sum of its proper divisors (133386329).

1144354471 is a wasteful number, since it uses less digits than its factorization.

1144354471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858.

The product of its digits is 26880, while the sum is 34.

The square root of 1144354471 is about 33828.3087221339. The cubic root of 1144354471 is about 1045.9723163403.

Adding to 1144354471 its reverse (1744534411), we get a palindrome (2888888882).

The spelling of 1144354471 in words is "one billion, one hundred forty-four million, three hundred fifty-four thousand, four hundred seventy-one".