144043001 has 4 divisors (see below), whose sum is σ = 144096612. Its totient is φ = 143989392.

The previous prime is 144042979. The next prime is 144043007. The reversal of 144043001 is 100340441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49000000 + 95043001 = 7000^2 + 9749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144043001 is a prime.

It is a super-2 number, since 2×144043001² = 41496772274172002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144043007) 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, 22550 + ... + 28223.

It is an arithmetic number, because the mean of its divisors is an integer number (36024153).

Almost surely, 2^144043001 is an apocalyptic number.

It is an amenable number.

144043001 is a deficient number, since it is larger than the sum of its proper divisors (53611).

144043001 is an equidigital number, since it uses as much as digits as its factorization.

144043001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53610.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144043001 is about 12001.7915745942. The cubic root of 144043001 is about 524.2004470293.

Adding to 144043001 its reverse (100340441), we get a palindrome (244383442).

The spelling of 144043001 in words is "one hundred forty-four million, forty-three thousand, one".