144230736 has 80 divisors (see below), whose sum is σ = 412168064. Its totient is φ = 43172352.

The previous prime is 144230711. The next prime is 144230741. The reversal of 144230736 is 637032441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19965 + ... + 26211.

Almost surely, 2^144230736 is an apocalyptic number.

144230736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144230736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206084032).

144230736 is an abundant number, since it is smaller than the sum of its proper divisors (267937328).

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

144230736 is a wasteful number, since it uses less digits than its factorization.

144230736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308 (or 6302 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 144230736 is about 12009.6101518742. The cubic root of 144230736 is about 524.4280828681.

The spelling of 144230736 in words is "one hundred forty-four million, two hundred thirty thousand, seven hundred thirty-six".