1144200330 has 480 divisors, whose sum is σ = 4089343104. Its totient is φ = 223388928.

The previous prime is 1144200293. The next prime is 1144200331. The reversal of 1144200330 is 330024411.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144200331) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 26609289 + ... + 26609331.

Almost surely, 2^1144200330 is an apocalyptic number.

1144200330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144200330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044671552).

1144200330 is an abundant number, since it is smaller than the sum of its proper divisors (2945142774).

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

1144200330 is a wasteful number, since it uses less digits than its factorization.

1144200330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1144200330 is about 33826.0303612469. The cubic root of 1144200330 is about 1045.9253511554.

Adding to 1144200330 its reverse (330024411), we get a palindrome (1474224741).

The spelling of 1144200330 in words is "one billion, one hundred forty-four million, two hundred thousand, three hundred thirty".