144021302 has 8 divisors (see below), whose sum is σ = 217733376. Its totient is φ = 71443512.

The previous prime is 144021277. The next prime is 144021307. The reversal of 144021302 is 203120441.

144021302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144021307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283253 + ... + 283760.

It is an arithmetic number, because the mean of its divisors is an integer number (27216672).

Almost surely, 2^144021302 is an apocalyptic number.

144021302 is a deficient number, since it is larger than the sum of its proper divisors (73712074).

144021302 is a wasteful number, since it uses less digits than its factorization.

144021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567142.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144021302 is about 12000.8875505106. The cubic root of 144021302 is about 524.1741234161.

Adding to 144021302 its reverse (203120441), we get a palindrome (347141743).

The spelling of 144021302 in words is "one hundred forty-four million, twenty-one thousand, three hundred two".