144442011 has 16 divisors (see below), whose sum is σ = 227692800. Its totient is φ = 79691808.

The previous prime is 144442003. The next prime is 144442049. The reversal of 144442011 is 110244441.

It is not a de Polignac number, because 144442011 - 2³ = 144442003 is a prime.

It is a super-3 number, since 3×144442011³ (a number of 25 digits) contains 333 as substring.

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 (144442061) 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 15 ways as a sum of consecutive naturals, for example, 117981 + ... + 119198.

It is an arithmetic number, because the mean of its divisors is an integer number (14230800).

Almost surely, 2^144442011 is an apocalyptic number.

144442011 is a deficient number, since it is larger than the sum of its proper divisors (83250789).

144442011 is a wasteful number, since it uses less digits than its factorization.

144442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237218.

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

The square root of 144442011 is about 12018.4030137119. The cubic root of 144442011 is about 524.6840257402.

Adding to 144442011 its reverse (110244441), we get a palindrome (254686452).

The spelling of 144442011 in words is "one hundred forty-four million, four hundred forty-two thousand, eleven".