144143401 has 8 divisors (see below), whose sum is σ = 145441800. Its totient is φ = 142851072.

The previous prime is 144143399. The next prime is 144143423. The reversal of 144143401 is 104341441.

It can be written as a sum of positive squares in 4 ways, for example, as 72233001 + 71910400 = 8499^2 + 8480^2 .

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 144143401 - 2¹ = 144143399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144143471) 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, 55275 + ... + 57823.

It is an arithmetic number, because the mean of its divisors is an integer number (18180225).

Almost surely, 2^144143401 is an apocalyptic number.

It is an amenable number.

144143401 is a deficient number, since it is larger than the sum of its proper divisors (1298399).

144143401 is a wasteful number, since it uses less digits than its factorization.

144143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 144143401 is about 12005.9735548601. The cubic root of 144143401 is about 524.3222104411.

Adding to 144143401 its reverse (104341441), we get a palindrome (248484842).

The spelling of 144143401 in words is "one hundred forty-four million, one hundred forty-three thousand, four hundred one".