144138301 has 4 divisors (see below), whose sum is σ = 144267100. Its totient is φ = 144009504.

The previous prime is 144138299. The next prime is 144138311. The reversal of 144138301 is 103831441.

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 38068900 + 106069401 = 6170^2 + 10299^2 .

It is a cyclic number.

It is not a de Polignac number, because 144138301 - 2¹ = 144138299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144138311) 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 3 ways as a sum of consecutive naturals, for example, 62706 + ... + 64963.

It is an arithmetic number, because the mean of its divisors is an integer number (36066775).

Almost surely, 2^144138301 is an apocalyptic number.

It is an amenable number.

144138301 is a deficient number, since it is larger than the sum of its proper divisors (128799).

144138301 is a wasteful number, since it uses less digits than its factorization.

144138301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128798.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 144138301 is about 12005.7611587104. The cubic root of 144138301 is about 524.3160266112.

Adding to 144138301 its reverse (103831441), we get a palindrome (247969742).

The spelling of 144138301 in words is "one hundred forty-four million, one hundred thirty-eight thousand, three hundred one".