144140202 has 16 divisors (see below), whose sum is σ = 320311680. Its totient is φ = 48046716.

The previous prime is 144140177. The next prime is 144140209. The reversal of 144140202 is 202041441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (144140209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334578 + ... + 1334685.

It is an arithmetic number, because the mean of its divisors is an integer number (20019480).

Almost surely, 2^144140202 is an apocalyptic number.

144140202 is an abundant number, since it is smaller than the sum of its proper divisors (176171478).

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

144140202 is a wasteful number, since it uses less digits than its factorization.

144140202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669274 (or 2669268 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 144140202 is about 12005.8403287733. The cubic root of 144140202 is about 524.3183316205.

Adding to 144140202 its reverse (202041441), we get a palindrome (346181643).

The spelling of 144140202 in words is "one hundred forty-four million, one hundred forty thousand, two hundred two".