144121011 has 8 divisors (see below), whose sum is σ = 195418560. Its totient is φ = 94452072.

The previous prime is 144121009. The next prime is 144121037. The reversal of 144121011 is 110121441.

144121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144121011 - 2¹ = 144121009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144121811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406945 + ... + 407298.

It is an arithmetic number, because the mean of its divisors is an integer number (24427320).

Almost surely, 2^144121011 is an apocalyptic number.

144121011 is a deficient number, since it is larger than the sum of its proper divisors (51297549).

144121011 is an equidigital number, since it uses as much as digits as its factorization.

144121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814305.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 144121011 is about 12005.0410661522. The cubic root of 144121011 is about 524.2950611298.

Adding to 144121011 its reverse (110121441), we get a palindrome (254242452).

The spelling of 144121011 in words is "one hundred forty-four million, one hundred twenty-one thousand, eleven".