144311145 has 32 divisors (see below), whose sum is σ = 255360384. Its totient is φ = 69004800.

The previous prime is 144311143. The next prime is 144311161. The reversal of 144311145 is 541113441.

It is a happy number.

It is not a de Polignac number, because 144311145 - 2¹ = 144311143 is a prime.

It is a super-2 number, since 2×144311145² = 41651413142422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144311143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6055 + ... + 18035.

It is an arithmetic number, because the mean of its divisors is an integer number (7980012).

Almost surely, 2^144311145 is an apocalyptic number.

144311145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144311145 is a deficient number, since it is larger than the sum of its proper divisors (111049239).

144311145 is a wasteful number, since it uses less digits than its factorization.

144311145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073.

The product of its digits is 960, while the sum is 24.

The square root of 144311145 is about 12012.9573794299. The cubic root of 144311145 is about 524.5255214237.

Adding to 144311145 its reverse (541113441), we get a palindrome (685424586).

It can be divided in two parts, 14431 and 1145, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 144311145 in words is "one hundred forty-four million, three hundred eleven thousand, one hundred forty-five".