1143490560 has 96 divisors (see below), whose sum is σ = 3658374720. Its totient is φ = 304922624.

The previous prime is 1143490559. The next prime is 1143490573. The reversal of 1143490560 is 650943411.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1143490560² = 2615141321618227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12109 + ... + 49331.

It is an arithmetic number, because the mean of its divisors is an integer number (38108070).

Almost surely, 2^1143490560 is an apocalyptic number.

1143490560 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 1143490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829187360).

1143490560 is an abundant number, since it is smaller than the sum of its proper divisors (2514884160).

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

1143490560 is an equidigital number, since it uses as much as digits as its factorization.

1143490560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37253 (or 37233 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1143490560 is about 33815.5372573023. The cubic root of 1143490560 is about 1045.7090370562.

The spelling of 1143490560 in words is "one billion, one hundred forty-three million, four hundred ninety thousand, five hundred sixty".