1144287471 has 8 divisors (see below), whose sum is σ = 1550728624. Its totient is φ = 750352320.

The previous prime is 1144287451. The next prime is 1144287497. The reversal of 1144287471 is 1747824411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144287471 - 2¹⁰ = 1144286447 is a prime.

It is a super-3 number, since 3×1144287471³ (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 (1144287451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3126286 + ... + 3126651.

It is an arithmetic number, because the mean of its divisors is an integer number (193841078).

Almost surely, 2^1144287471 is an apocalyptic number.

1144287471 is a deficient number, since it is larger than the sum of its proper divisors (406441153).

1144287471 is an equidigital number, since it uses as much as digits as its factorization.

1144287471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253001.

The product of its digits is 50176, while the sum is 39.

The square root of 1144287471 is about 33827.3184127858. The cubic root of 1144287471 is about 1045.9519026443.

The spelling of 1144287471 in words is "one billion, one hundred forty-four million, two hundred eighty-seven thousand, four hundred seventy-one".