144214442 has 8 divisors (see below), whose sum is σ = 218236356. Its totient is φ = 71468992.

The previous prime is 144214429. The next prime is 144214457. The reversal of 144214442 is 244412441.

It can be written as a sum of positive squares in 2 ways, for example, as 94497841 + 49716601 = 9721^2 + 7051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 318833 + ... + 319284.

Almost surely, 2^144214442 is an apocalyptic number.

144214442 is a deficient number, since it is larger than the sum of its proper divisors (74021914).

144214442 is a wasteful number, since it uses less digits than its factorization.

144214442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638232.

The product of its digits is 4096, while the sum is 26.

The square root of 144214442 is about 12008.9317593198. The cubic root of 144214442 is about 524.4083336033.

Adding to 144214442 its reverse (244412441), we get a palindrome (388626883).

The spelling of 144214442 in words is "one hundred forty-four million, two hundred fourteen thousand, four hundred forty-two".