144211242 has 32 divisors (see below), whose sum is σ = 343959552. Its totient is φ = 39411504.

The previous prime is 144211241. The next prime is 144211271. The reversal of 144211242 is 242112441.

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

It is not an unprimeable number, because it can be changed into a prime (144211241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73678 + ... + 75609.

It is an arithmetic number, because the mean of its divisors is an integer number (10748736).

Almost surely, 2^144211242 is an apocalyptic number.

144211242 is an abundant number, since it is smaller than the sum of its proper divisors (199748310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144211242 is a wasteful number, since it uses less digits than its factorization.

144211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149322.

The product of its digits is 512, while the sum is 21.

The square root of 144211242 is about 12008.7985244153. The cubic root of 144211242 is about 524.4044548446.

Adding to 144211242 its reverse (242112441), we get a palindrome (386323683).

It can be divided in two parts, 144211 and 242, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 144211242 in words is "one hundred forty-four million, two hundred eleven thousand, two hundred forty-two".