1144323100 has 36 divisors (see below), whose sum is σ = 2536025184. Its totient is φ = 447988480.

The previous prime is 1144323097. The next prime is 1144323101. The reversal of 1144323100 is 13234411.

It is a super-2 number, since 2×1144323100² = 2618950714387220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144323101) 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, 117037 + ... + 126436.

It is an arithmetic number, because the mean of its divisors is an integer number (70445144).

Almost surely, 2^1144323100 is an apocalyptic number.

1144323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144323100 is an abundant number, since it is smaller than the sum of its proper divisors (1391702084).

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

1144323100 is a wasteful number, since it uses less digits than its factorization.

1144323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243534 (or 243527 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1144323100 is about 33827.8450392572. The cubic root of 1144323100 is about 1045.9627582596.

Adding to 1144323100 its reverse (13234411), we get a palindrome (1157557511).

It can be divided in two parts, 11443 and 23100, that added together give a palindrome (34543).

The spelling of 1144323100 in words is "one billion, one hundred forty-four million, three hundred twenty-three thousand, one hundred".