144202111 has 16 divisors (see below), whose sum is σ = 156119040. Its totient is φ = 132802560.

The previous prime is 144202103. The next prime is 144202117. The reversal of 144202111 is 111202441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144202111 - 2³ = 144202103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144202117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187135 + ... + 187903.

It is an arithmetic number, because the mean of its divisors is an integer number (9757440).

Almost surely, 2^144202111 is an apocalyptic number.

144202111 is a deficient number, since it is larger than the sum of its proper divisors (11916929).

144202111 is a wasteful number, since it uses less digits than its factorization.

144202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 144202111 is about 12008.4183388155. The cubic root of 144202111 is about 524.3933867335.

Adding to 144202111 its reverse (111202441), we get a palindrome (255404552).

The spelling of 144202111 in words is "one hundred forty-four million, two hundred two thousand, one hundred eleven".