1143148176 has 30 divisors (see below), whose sum is σ = 3199227590. Its totient is φ = 381049344.

The previous prime is 1143148169. The next prime is 1143148207. The reversal of 1143148176 is 6718413411.

1143148176 is a `hidden beast` number, since 11 + 431 + 48 + 176 = 666.

It can be written as a sum of positive squares in only one way, i.e., 603979776 + 539168400 = 24576^2 + 23220^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1143148176.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3969121 + ... + 3969408.

Almost surely, 2^1143148176 is an apocalyptic number.

1143148176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1143148176 is an abundant number, since it is smaller than the sum of its proper divisors (2056079414).

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

1143148176 is a wasteful number, since it uses less digits than its factorization.

1143148176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938543 (or 7938534 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1143148176 is about 33810.4743533716. The cubic root of 1143148176 is about 1045.6046578872.

The spelling of 1143148176 in words is "one billion, one hundred forty-three million, one hundred forty-eight thousand, one hundred seventy-six".