1143483278 has 8 divisors (see below), whose sum is σ = 1960257072. Its totient is φ = 490064256.

The previous prime is 1143483277. The next prime is 1143483283. The reversal of 1143483278 is 8723843411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143483277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40838675 + ... + 40838702.

It is an arithmetic number, because the mean of its divisors is an integer number (245032134).

Almost surely, 2^1143483278 is an apocalyptic number.

1143483278 is a deficient number, since it is larger than the sum of its proper divisors (816773794).

1143483278 is an equidigital number, since it uses as much as digits as its factorization.

1143483278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81677386.

The product of its digits is 129024, while the sum is 41.

The square root of 1143483278 is about 33815.4295847325. The cubic root of 1143483278 is about 1045.7068172829.

The spelling of 1143483278 in words is "one billion, one hundred forty-three million, four hundred eighty-three thousand, two hundred seventy-eight".