1144020200 has 24 divisors (see below), whose sum is σ = 2659847430. Its totient is φ = 457608000.

The previous prime is 1144020197. The next prime is 1144020209. The reversal of 1144020200 is 20204411.

It can be written as a sum of positive squares in 3 ways, for example, as 644855236 + 499164964 = 25394^2 + 22342^2 .

It is not an unprimeable number, because it can be changed into a prime (1144020209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2859851 + ... + 2860250.

Almost surely, 2^1144020200 is an apocalyptic number.

1144020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144020200 is an abundant number, since it is smaller than the sum of its proper divisors (1515827230).

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

1144020200 is a wasteful number, since it uses less digits than its factorization.

1144020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720117 (or 5720108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1144020200 is about 33823.3676620173. The cubic root of 1144020200 is about 1045.8704620431.

Adding to 1144020200 its reverse (20204411), we get a palindrome (1164224611).

The spelling of 1144020200 in words is "one billion, one hundred forty-four million, twenty thousand, two hundred".