1144660512 has 48 divisors (see below), whose sum is σ = 3006636192. Its totient is φ = 381312000.

The previous prime is 1144660511. The next prime is 1144660549. The reversal of 1144660512 is 2150664411.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1144660512.

It is not an unprimeable number, because it can be changed into a prime (1144660511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213448 + ... + 218744.

It is an arithmetic number, because the mean of its divisors is an integer number (62638254).

Almost surely, 2^1144660512 is an apocalyptic number.

1144660512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144660512 is an abundant number, since it is smaller than the sum of its proper divisors (1861975680).

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

1144660512 is a wasteful number, since it uses less digits than its factorization.

1144660512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1144660512 is about 33832.8318649208. The cubic root of 1144660512 is about 1046.0655514028.

The spelling of 1144660512 in words is "one billion, one hundred forty-four million, six hundred sixty thousand, five hundred twelve".