144348738 has 24 divisors (see below), whose sum is σ = 304696368. Its totient is φ = 45583128.

The previous prime is 144348731. The next prime is 144348749. The reversal of 144348738 is 837843441.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144348738.

It is not an unprimeable number, because it can be changed into a prime (144348731) 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 11 ways as a sum of consecutive naturals, for example, 31156 + ... + 35487.

It is an arithmetic number, because the mean of its divisors is an integer number (12695682).

Almost surely, 2^144348738 is an apocalyptic number.

144348738 is an abundant number, since it is smaller than the sum of its proper divisors (160347630).

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

144348738 is a wasteful number, since it uses less digits than its factorization.

144348738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66686 (or 66667 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 144348738 is about 12014.5219630246. The cubic root of 144348738 is about 524.5710637042.

The spelling of 144348738 in words is "one hundred forty-four million, three hundred forty-eight thousand, seven hundred thirty-eight".