144423200 has 72 divisors (see below), whose sum is σ = 357547428. Its totient is φ = 56954880.

The previous prime is 144423179. The next prime is 144423221. The reversal of 144423200 is 2324441.

It is an interprime number because it is at equal distance from previous prime (144423179) and next prime (144423221).

It can be written as a sum of positive squares in 6 ways, for example, as 75134224 + 69288976 = 8668^2 + 8324^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57164 + ... + 59636.

Almost surely, 2^144423200 is an apocalyptic number.

144423200 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 144423200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178773714).

144423200 is an abundant number, since it is smaller than the sum of its proper divisors (213124228).

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

144423200 is a wasteful number, since it uses less digits than its factorization.

144423200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2553 counting only the distinct ones).

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

The square root of 144423200 is about 12017.6203967341. The cubic root of 144423200 is about 524.6612478341.

Adding to 144423200 its reverse (2324441), we get a palindrome (146747641).

The spelling of 144423200 in words is "one hundred forty-four million, four hundred twenty-three thousand, two hundred".