144230004 has 48 divisors (see below), whose sum is σ = 375883200. Its totient is φ = 47825568.

The previous prime is 144230003. The next prime is 144230071. The reversal of 144230004 is 400032441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144230003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17887 + ... + 24665.

It is an arithmetic number, because the mean of its divisors is an integer number (7830900).

Almost surely, 2^144230004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144230004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187941600).

144230004 is an abundant number, since it is smaller than the sum of its proper divisors (231653196).

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

144230004 is a wasteful number, since it uses less digits than its factorization.

144230004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989 (or 6981 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 144230004 is about 12009.5796762418. The cubic root of 144230004 is about 524.4271956739.

Adding to 144230004 its reverse (400032441), we get a palindrome (544262445).

The spelling of 144230004 in words is "one hundred forty-four million, two hundred thirty thousand, four".