144311475506 has 32 divisors (see below), whose sum is σ = 239041152000. Its totient is φ = 64796680080.

The previous prime is 144311475499. The next prime is 144311475509. The reversal of 144311475506 is 605574113441.

It is not an unprimeable number, because it can be changed into a prime (144311475509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489971 + ... + 727113.

It is an arithmetic number, because the mean of its divisors is an integer number (7470036000).

Almost surely, 2^144311475506 is an apocalyptic number.

144311475506 is a deficient number, since it is larger than the sum of its proper divisors (94729676494).

144311475506 is a wasteful number, since it uses less digits than its factorization.

144311475506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237494.

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 144311475506 its reverse (605574113441), we get a palindrome (749885588947).

The spelling of 144311475506 in words is "one hundred forty-four billion, three hundred eleven million, four hundred seventy-five thousand, five hundred six".