1444143471 has 4 divisors (see below), whose sum is σ = 1925524632. Its totient is φ = 962762312.

The previous prime is 1444143461. The next prime is 1444143487. The reversal of 1444143471 is 1743414441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1444143471 - 2¹¹ = 1444141423 is a prime.

It is a super-3 number, since 3×1444143471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444143461) 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 3 ways as a sum of consecutive naturals, for example, 240690576 + ... + 240690581.

It is an arithmetic number, because the mean of its divisors is an integer number (481381158).

Almost surely, 2^1444143471 is an apocalyptic number.

1444143471 is a deficient number, since it is larger than the sum of its proper divisors (481381161).

1444143471 is an equidigital number, since it uses as much as digits as its factorization.

1444143471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481381160.

The product of its digits is 21504, while the sum is 33.

The square root of 1444143471 is about 38001.8877294273. The cubic root of 1444143471 is about 1130.3252962236.

The spelling of 1444143471 in words is "one billion, four hundred forty-four million, one hundred forty-three thousand, four hundred seventy-one".