1144061064 has 64 divisors (see below), whose sum is σ = 3185784000. Its totient is φ = 380413440.

The previous prime is 1144061063. The next prime is 1144061077. The reversal of 1144061064 is 4601604411.

1144061064 is a `hidden beast` number, since 1 + 1 + 4 + 40 + 610 + 6 + 4 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1144061063) 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, 84184 + ... + 96824.

It is an arithmetic number, because the mean of its divisors is an integer number (49777875).

Almost surely, 2^1144061064 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 1144061064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592892000).

1144061064 is an abundant number, since it is smaller than the sum of its proper divisors (2041722936).

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

1144061064 is a wasteful number, since it uses less digits than its factorization.

1144061064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075 (or 13065 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1144061064 is about 33823.9717360336. The cubic root of 1144061064 is about 1045.8829146034.

Adding to 1144061064 its reverse (4601604411), we get a palindrome (5745665475).

The spelling of 1144061064 in words is "one billion, one hundred forty-four million, sixty-one thousand, sixty-four".