1146809042 has 8 divisors (see below), whose sum is σ = 1730157516. Its totient is φ = 570089872.

The previous prime is 1146809039. The next prime is 1146809047. The reversal of 1146809042 is 2409086411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1141831681 + 4977361 = 33791^2 + 2231^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1146808993 and 1146809011.

It is not an unprimeable number, because it can be changed into a prime (1146809047) 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, 1656893 + ... + 1657584.

Almost surely, 2^1146809042 is an apocalyptic number.

1146809042 is a deficient number, since it is larger than the sum of its proper divisors (583348474).

1146809042 is a wasteful number, since it uses less digits than its factorization.

1146809042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314652.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1146809042 is about 33864.5691246766. The cubic root of 1146809042 is about 1046.7196313595.

The spelling of 1146809042 in words is "one billion, one hundred forty-six million, eight hundred nine thousand, forty-two".