144332938 has 4 divisors (see below), whose sum is σ = 216499410. Its totient is φ = 72166468.

The previous prime is 144332917. The next prime is 144332957. The reversal of 144332938 is 839233441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72812089 + 71520849 = 8533^2 + 8457^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144332897 and 144332906.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36083233 + ... + 36083236.

Almost surely, 2^144332938 is an apocalyptic number.

144332938 is a deficient number, since it is larger than the sum of its proper divisors (72166472).

144332938 is an equidigital number, since it uses as much as digits as its factorization.

144332938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72166471.

The product of its digits is 62208, while the sum is 37.

The square root of 144332938 is about 12013.8644074253. The cubic root of 144332938 is about 524.5519236564.

It can be divided in two parts, 14433 and 2938, that added together give a palindrome (17371).

The spelling of 144332938 in words is "one hundred forty-four million, three hundred thirty-two thousand, nine hundred thirty-eight".