144339988 has 48 divisors (see below), whose sum is σ = 280941696. Its totient is φ = 64471680.

The previous prime is 144339983. The next prime is 144340003. The reversal of 144339988 is 889933441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144339983) 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, 228433 + ... + 229063.

It is an arithmetic number, because the mean of its divisors is an integer number (5852952).

Almost surely, 2^144339988 is an apocalyptic number.

It is an amenable number.

144339988 is a deficient number, since it is larger than the sum of its proper divisors (136601708).

144339988 is a wasteful number, since it uses less digits than its factorization.

144339988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 782 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 144339988 is about 12014.1578148450. The cubic root of 144339988 is about 524.5604641668.

The spelling of 144339988 in words is "one hundred forty-four million, three hundred thirty-nine thousand, nine hundred eighty-eight".