144234111 has 32 divisors (see below), whose sum is σ = 232675840. Its totient is φ = 77635584.

The previous prime is 144234107. The next prime is 144234113. The reversal of 144234111 is 111432441.

It is not a de Polignac number, because 144234111 - 2² = 144234107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144234113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76071 + ... + 77943.

It is an arithmetic number, because the mean of its divisors is an integer number (7271120).

Almost surely, 2^144234111 is an apocalyptic number.

144234111 is a deficient number, since it is larger than the sum of its proper divisors (88441729).

144234111 is a wasteful number, since it uses less digits than its factorization.

144234111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095.

The product of its digits is 384, while the sum is 21.

The square root of 144234111 is about 12009.7506635234. The cubic root of 144234111 is about 524.4321733762.

Adding to 144234111 its reverse (111432441), we get a palindrome (255666552).

It can be divided in two parts, 1442 and 34111, that added together give a palindrome (35553).

The spelling of 144234111 in words is "one hundred forty-four million, two hundred thirty-four thousand, one hundred eleven".