1143346480 has 20 divisors (see below), whose sum is σ = 2658280752. Its totient is φ = 457338560.

The previous prime is 1143346471. The next prime is 1143346499. The reversal of 1143346480 is 846433411.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7145836 + ... + 7145995.

Almost surely, 2^1143346480 is an apocalyptic number.

1143346480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143346480 is an abundant number, since it is smaller than the sum of its proper divisors (1514934272).

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

1143346480 is a wasteful number, since it uses less digits than its factorization.

1143346480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291844 (or 14291838 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1143346480 is about 33813.4068085427. The cubic root of 1143346480 is about 1045.6651153741.

Adding to 1143346480 its reverse (846433411), we get a palindrome (1989779891).

The spelling of 1143346480 in words is "one billion, one hundred forty-three million, three hundred forty-six thousand, four hundred eighty".