1143472770 has 96 divisors (see below), whose sum is σ = 3318853824. Its totient is φ = 270748800.

The previous prime is 1143472747. The next prime is 1143472783. The reversal of 1143472770 is 772743411.

1143472770 is a `hidden beast` number, since 114 + 3 + 472 + 7 + 70 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29140 + ... + 56000.

It is an arithmetic number, because the mean of its divisors is an integer number (34571394).

Almost surely, 2^1143472770 is an apocalyptic number.

1143472770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143472770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1659426912).

1143472770 is an abundant number, since it is smaller than the sum of its proper divisors (2175381054).

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

1143472770 is a wasteful number, since it uses less digits than its factorization.

1143472770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26928 (or 26925 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 1143472770 is about 33815.2742115157. The cubic root of 1143472770 is about 1045.7036141109.

The spelling of 1143472770 in words is "one billion, one hundred forty-three million, four hundred seventy-two thousand, seven hundred seventy".