144243011 has 12 divisors (see below), whose sum is σ = 167876856. Its totient is φ = 123414720.

The previous prime is 144243007. The next prime is 144243017. The reversal of 144243011 is 110342441.

It is not a de Polignac number, because 144243011 - 2² = 144243007 is a prime.

It is a super-2 number, since 2×144243011² = 41612092444692242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144243017) 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 11 ways as a sum of consecutive naturals, for example, 33005 + ... + 37118.

It is an arithmetic number, because the mean of its divisors is an integer number (13989738).

Almost surely, 2^144243011 is an apocalyptic number.

144243011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144243011 is a deficient number, since it is larger than the sum of its proper divisors (23633845).

144243011 is a wasteful number, since it uses less digits than its factorization.

144243011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70162 (or 70151 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 144243011 is about 12010.1211900630. The cubic root of 144243011 is about 524.4429598915.

Adding to 144243011 its reverse (110342441), we get a palindrome (254585452).

It can be divided in two parts, 1442430 and 11, that added together give a palindrome (1442441).

The spelling of 144243011 in words is "one hundred forty-four million, two hundred forty-three thousand, eleven".