144240202 has 4 divisors (see below), whose sum is σ = 216360306. Its totient is φ = 72120100.

The previous prime is 144240181. The next prime is 144240203. The reversal of 144240202 is 202042441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202042441 = 5813 ⋅34757.

It can be written as a sum of positive squares in only one way, i.e., 101586241 + 42653961 = 10079^2 + 6531^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144240202.

It is not an unprimeable number, because it can be changed into a prime (144240203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36060049 + ... + 36060052.

Almost surely, 2^144240202 is an apocalyptic number.

144240202 is a deficient number, since it is larger than the sum of its proper divisors (72120104).

144240202 is an equidigital number, since it uses as much as digits as its factorization.

144240202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72120103.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 144240202 is about 12010.0042464605. The cubic root of 144240202 is about 524.4395555213.

Adding to 144240202 its reverse (202042441), we get a palindrome (346282643).

The spelling of 144240202 in words is "one hundred forty-four million, two hundred forty thousand, two hundred two".