1144109016 has 128 divisors (see below), whose sum is σ = 3369600000. Its totient is φ = 358680960.

The previous prime is 1144109003. The next prime is 1144109053. The reversal of 1144109016 is 6109014411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610561 + ... + 612431.

It is an arithmetic number, because the mean of its divisors is an integer number (26325000).

Almost surely, 2^1144109016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144109016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684800000).

1144109016 is an abundant number, since it is smaller than the sum of its proper divisors (2225490984).

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

1144109016 is a wasteful number, since it uses less digits than its factorization.

1144109016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1144109016 is about 33824.6805749884. The cubic root of 1144109016 is about 1045.8975267247.

The spelling of 1144109016 in words is "one billion, one hundred forty-four million, one hundred nine thousand, sixteen".