144042311 has 6 divisors (see below), whose sum is σ = 167559480. Its totient is φ = 123464796.

The previous prime is 144042299. The next prime is 144042313. The reversal of 144042311 is 113240441.

144042311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-144042311 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 (144042313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1469771 + ... + 1469868.

It is an arithmetic number, because the mean of its divisors is an integer number (27926580).

Almost surely, 2^144042311 is an apocalyptic number.

144042311 is a deficient number, since it is larger than the sum of its proper divisors (23517169).

144042311 is an equidigital number, since it uses as much as digits as its factorization.

144042311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939653 (or 2939646 counting only the distinct ones).

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

The square root of 144042311 is about 12001.7628288514. The cubic root of 144042311 is about 524.1996100133.

Adding to 144042311 its reverse (113240441), we get a palindrome (257282752).

The spelling of 144042311 in words is "one hundred forty-four million, forty-two thousand, three hundred eleven".