1144231036 has 48 divisors (see below), whose sum is σ = 2304814176. Its totient is φ = 492355584.

The previous prime is 1144231021. The next prime is 1144231037. The reversal of 1144231036 is 6301324411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144231036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144231037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88540 + ... + 100636.

It is an arithmetic number, because the mean of its divisors is an integer number (48016962).

Almost surely, 2^1144231036 is an apocalyptic number.

It is an amenable number.

1144231036 is an abundant number, since it is smaller than the sum of its proper divisors (1160583140).

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

1144231036 is a wasteful number, since it uses less digits than its factorization.

1144231036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12238 (or 12236 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1144231036 is about 33826.4842394240. The cubic root of 1144231036 is about 1045.9347072957.

Adding to 1144231036 its reverse (6301324411), we get a palindrome (7445555447).

The spelling of 1144231036 in words is "one billion, one hundred forty-four million, two hundred thirty-one thousand, thirty-six".