144230402 has 8 divisors (see below), whose sum is σ = 216406416. Its totient is φ = 72094932.

The previous prime is 144230381. The next prime is 144230419. The reversal of 144230402 is 204032441.

144230402 is digitally balanced in base 3, 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 super-2 number, since 2×144230402² = 41604817722163208, which contains 22 as substring.

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, 1373 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (27050802).

Almost surely, 2^144230402 is an apocalyptic number.

144230402 is a deficient number, since it is larger than the sum of its proper divisors (72176014).

144230402 is a wasteful number, since it uses less digits than its factorization.

144230402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20272.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144230402 is about 12009.5962463357. The cubic root of 144230402 is about 524.4276780558.

Adding to 144230402 its reverse (204032441), we get a palindrome (348262843).

The spelling of 144230402 in words is "one hundred forty-four million, two hundred thirty thousand, four hundred two".