1143378804 has 12 divisors (see below), whose sum is σ = 2667883904. Its totient is φ = 381126264.

The previous prime is 1143378763. The next prime is 1143378869. The reversal of 1143378804 is 4088733411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47640772 + ... + 47640795.

Almost surely, 2^1143378804 is an apocalyptic number.

It is an amenable number.

1143378804 is an abundant number, since it is smaller than the sum of its proper divisors (1524505100).

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

1143378804 is a wasteful number, since it uses less digits than its factorization.

1143378804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95281574 (or 95281572 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1143378804 is about 33813.8847812552. The cubic root of 1143378804 is about 1045.6749694184.

The spelling of 1143378804 in words is "one billion, one hundred forty-three million, three hundred seventy-eight thousand, eight hundred four".