144307938 has 16 divisors (see below), whose sum is σ = 288820800. Its totient is φ = 48068496.

The previous prime is 144307903. The next prime is 144307979. The reversal of 144307938 is 839703441.

It is a junction number, because it is equal to n+sod(n) for n = 144307896 and 144307905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531 + ... + 17057.

It is an arithmetic number, because the mean of its divisors is an integer number (18051300).

Almost surely, 2^144307938 is an apocalyptic number.

144307938 is an abundant number, since it is smaller than the sum of its proper divisors (144512862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144307938 is a wasteful number, since it uses less digits than its factorization.

144307938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17081.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 144307938 is about 12012.8238978185. The cubic root of 144307938 is about 524.5216359169.

The spelling of 144307938 in words is "one hundred forty-four million, three hundred seven thousand, nine hundred thirty-eight".