144336028 has 12 divisors (see below), whose sum is σ = 252686952. Its totient is φ = 72139760.

The previous prime is 144336019. The next prime is 144336029. The reversal of 144336028 is 820633441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144336029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7998 + ... + 18778.

It is an arithmetic number, because the mean of its divisors is an integer number (21057246).

Almost surely, 2^144336028 is an apocalyptic number.

It is an amenable number.

144336028 is a deficient number, since it is larger than the sum of its proper divisors (108350924).

144336028 is a wasteful number, since it uses less digits than its factorization.

144336028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132 (or 14130 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 144336028 is about 12013.9930081551. The cubic root of 144336028 is about 524.5556669782. Note that the first 3 decimals are identical.

Adding to 144336028 its reverse (820633441), we get a palindrome (964969469).

The spelling of 144336028 in words is "one hundred forty-four million, three hundred thirty-six thousand, twenty-eight".