144121311 has 6 divisors (see below), whose sum is σ = 208175240. Its totient is φ = 96080868.

The previous prime is 144121309. The next prime is 144121321. The reversal of 144121311 is 113121441.

144121311 is a `hidden beast` number, since 1 + 441 + 213 + 11 = 666.

It is not a de Polignac number, because 144121311 - 2¹ = 144121309 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 (144121321) 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 5 ways as a sum of consecutive naturals, for example, 8006731 + ... + 8006748.

Almost surely, 2^144121311 is an apocalyptic number.

144121311 is a deficient number, since it is larger than the sum of its proper divisors (64053929).

144121311 is a wasteful number, since it uses less digits than its factorization.

144121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16013485 (or 16013482 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 144121311 is about 12005.0535608968. The cubic root of 144121311 is about 524.2954249176.

Adding to 144121311 its reverse (113121441), we get a palindrome (257242752).

The spelling of 144121311 in words is "one hundred forty-four million, one hundred twenty-one thousand, three hundred eleven".