1144156160 has 208 divisors, whose sum is σ = 3283739136. Its totient is φ = 374145024.

The previous prime is 1144156157. The next prime is 1144156201. The reversal of 1144156160 is 616514411.

It is a happy number.

It is a congruent number.

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, 3297107 + ... + 3297453.

Almost surely, 2^1144156160 is an apocalyptic number.

1144156160 is a gapful number since it is divisible by the number (10) 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 1144156160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641869568).

1144156160 is an abundant number, since it is smaller than the sum of its proper divisors (2139582976).

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

1144156160 is an equidigital number, since it uses as much as digits as its factorization.

1144156160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1144156160 is about 33825.3774553958. The cubic root of 1144156160 is about 1045.9118922309.

The spelling of 1144156160 in words is "one billion, one hundred forty-four million, one hundred fifty-six thousand, one hundred sixty".