144704242 has 8 divisors (see below), whose sum is σ = 217219932. Its totient is φ = 72297600.

The previous prime is 144704237. The next prime is 144704267. The reversal of 144704242 is 242407441.

It can be written as a sum of positive squares in 2 ways, for example, as 143496441 + 1207801 = 11979^2 + 1099^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 144704242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23859 + ... + 29302.

Almost surely, 2^144704242 is an apocalyptic number.

144704242 is a deficient number, since it is larger than the sum of its proper divisors (72515690).

144704242 is a wasteful number, since it uses less digits than its factorization.

144704242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54524.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 144704242 is about 12029.3076276235. The cubic root of 144704242 is about 525.0013508658.

The spelling of 144704242 in words is "one hundred forty-four million, seven hundred four thousand, two hundred forty-two".