144439300 has 36 divisors (see below), whose sum is σ = 316386000. Its totient is φ = 57231520.

The previous prime is 144439297. The next prime is 144439301. The reversal of 144439300 is 3934441.

It is a super-2 number, since 2×144439300² = 41725422768980000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144439301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3951 + ... + 17449.

It is an arithmetic number, because the mean of its divisors is an integer number (8788500).

Almost surely, 2^144439300 is an apocalyptic number.

144439300 is a gapful number since it is divisible by the number (10) 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 144439300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158193000).

144439300 is an abundant number, since it is smaller than the sum of its proper divisors (171946700).

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

144439300 is a wasteful number, since it uses less digits than its factorization.

144439300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13620 (or 13613 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 144439300 is about 12018.2902278153. The cubic root of 144439300 is about 524.6807431604.

The spelling of 144439300 in words is "one hundred forty-four million, four hundred thirty-nine thousand, three hundred".