144335013 has 16 divisors (see below), whose sum is σ = 194755776. Its totient is φ = 95074560.

The previous prime is 144335003. The next prime is 144335017. The reversal of 144335013 is 310533441.

It is a happy number.

It is not a de Polignac number, because 144335013 - 2¹² = 144330917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144335017) 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 15 ways as a sum of consecutive naturals, for example, 183006 + ... + 183792.

It is an arithmetic number, because the mean of its divisors is an integer number (12172236).

Almost surely, 2^144335013 is an apocalyptic number.

It is an amenable number.

144335013 is a deficient number, since it is larger than the sum of its proper divisors (50420763).

144335013 is a wasteful number, since it uses less digits than its factorization.

144335013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 144335013 is about 12013.9507656724. The cubic root of 144335013 is about 524.5544373816.

Adding to 144335013 its reverse (310533441), we get a palindrome (454868454).

The spelling of 144335013 in words is "one hundred forty-four million, three hundred thirty-five thousand, thirteen".