144213111 has 24 divisors (see below), whose sum is σ = 239283200. Its totient is φ = 81986256.

The previous prime is 144213107. The next prime is 144213119. The reversal of 144213111 is 111312441.

It is not a de Polignac number, because 144213111 - 2² = 144213107 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 (144213119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6786 + ... + 18288.

Almost surely, 2^144213111 is an apocalyptic number.

144213111 is a deficient number, since it is larger than the sum of its proper divisors (95070089).

144213111 is a wasteful number, since it uses less digits than its factorization.

144213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715 (or 11712 counting only the distinct ones).

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

The square root of 144213111 is about 12008.8763421063. The cubic root of 144213111 is about 524.4067202891.

Adding to 144213111 its reverse (111312441), we get a palindrome (255525552).

The spelling of 144213111 in words is "one hundred forty-four million, two hundred thirteen thousand, one hundred eleven".