1144100412 has 108 divisors (see below), whose sum is σ = 3623057256. Its totient is φ = 301734720.

The previous prime is 1144100393. The next prime is 1144100471. The reversal of 1144100412 is 2140014411.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2014 + ... + 47877.

Almost surely, 2^1144100412 is an apocalyptic number.

1144100412 is a gapful number since it is divisible by the number (12) 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 1144100412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811528628).

1144100412 is an abundant number, since it is smaller than the sum of its proper divisors (2478956844).

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

1144100412 is a wasteful number, since it uses less digits than its factorization.

1144100412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49928 (or 49916 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1144100412 is about 33824.5533895128. The cubic root of 1144100412 is about 1045.8949049101.

Adding to 1144100412 its reverse (2140014411), we get a palindrome (3284114823).

The spelling of 1144100412 in words is "one billion, one hundred forty-four million, one hundred thousand, four hundred twelve".