144331001 has 8 divisors (see below), whose sum is σ = 148374144. Its totient is φ = 140343840.

The previous prime is 144330917. The next prime is 144331021. The reversal of 144331001 is 100133441.

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 144331001 - 2¹⁸ = 144068857 is a prime.

It is a super-3 number, since 3×144331001³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144331021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8741 + ... + 19106.

It is an arithmetic number, because the mean of its divisors is an integer number (18546768).

Almost surely, 2^144331001 is an apocalyptic number.

It is an amenable number.

144331001 is a deficient number, since it is larger than the sum of its proper divisors (4043143).

144331001 is an equidigital number, since it uses as much as digits as its factorization.

144331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27991.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 144331001 is about 12013.7837919616. The cubic root of 144331001 is about 524.5495770874.

Adding to 144331001 its reverse (100133441), we get a palindrome (244464442).

The spelling of 144331001 in words is "one hundred forty-four million, three hundred thirty-one thousand, one".