1144445160 has 64 divisors (see below), whose sum is σ = 3456432000. Its totient is φ = 303132416.

The previous prime is 1144445153. The next prime is 1144445171. The reversal of 1144445160 is 615444411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14124 + ... + 49883.

It is an arithmetic number, because the mean of its divisors is an integer number (54006750).

Almost surely, 2^1144445160 is an apocalyptic number.

1144445160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144445160 is an abundant number, since it is smaller than the sum of its proper divisors (2311986840).

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

1144445160 is a wasteful number, since it uses less digits than its factorization.

1144445160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64170 (or 64166 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1144445160 is about 33829.6491261733. The cubic root of 1144445160 is about 1045.9999463798. Note that the first 4 decimals are identical.

Adding to 1144445160 its reverse (615444411), we get a palindrome (1759889571).

The spelling of 1144445160 in words is "one billion, one hundred forty-four million, four hundred forty-five thousand, one hundred sixty".