144331401 has 8 divisors (see below), whose sum is σ = 192530304. Its totient is φ = 96176720.

The previous prime is 144331399. The next prime is 144331403. The reversal of 144331401 is 104133441.

It is an interprime number because it is at equal distance from previous prime (144331399) and next prime (144331403).

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 144331401 - 2¹ = 144331399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144331403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490 + ... + 17171.

It is an arithmetic number, because the mean of its divisors is an integer number (24066288).

Almost surely, 2^144331401 is an apocalyptic number.

It is an amenable number.

144331401 is a deficient number, since it is larger than the sum of its proper divisors (48198903).

144331401 is a wasteful number, since it uses less digits than its factorization.

144331401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22111.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 144331401 is about 12013.8004394946. The cubic root of 144331401 is about 524.5500616671.

Adding to 144331401 its reverse (104133441), we get a palindrome (248464842).

The spelling of 144331401 in words is "one hundred forty-four million, three hundred thirty-one thousand, four hundred one".