144001443 has 8 divisors (see below), whose sum is σ = 198622800. Its totient is φ = 92690528.

The previous prime is 144001433. The next prime is 144001463. The reversal of 144001443 is 344100441.

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 144001443 - 2⁴ = 144001427 is a prime.

144001443 is a modest number, since divided by 1443 gives 144 as remainder.

It is not an unprimeable number, because it can be changed into a prime (144001423) 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, 827508 + ... + 827681.

It is an arithmetic number, because the mean of its divisors is an integer number (24827850).

Almost surely, 2^144001443 is an apocalyptic number.

144001443 is a deficient number, since it is larger than the sum of its proper divisors (54621357).

144001443 is a wasteful number, since it uses less digits than its factorization.

144001443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655221.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144001443 is about 12000.0601248494. The cubic root of 144001443 is about 524.1500296368.

Adding to 144001443 its reverse (344100441), we get a palindrome (488101884).

The spelling of 144001443 in words is "one hundred forty-four million, one thousand, four hundred forty-three".