1147633146 has 48 divisors (see below), whose sum is σ = 2749780800. Its totient is φ = 342999360.

The previous prime is 1147633133. The next prime is 1147633147. The reversal of 1147633146 is 6413367411.

1147633146 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 633 + 14 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1147633146.

It is not an unprimeable number, because it can be changed into a prime (1147633147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25246 + ... + 54153.

It is an arithmetic number, because the mean of its divisors is an integer number (57287100).

Almost surely, 2^1147633146 is an apocalyptic number.

1147633146 is an abundant number, since it is smaller than the sum of its proper divisors (1602147654).

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

1147633146 is a wasteful number, since it uses less digits than its factorization.

1147633146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79491 (or 79488 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1147633146 is about 33876.7345828963. The cubic root of 1147633146 is about 1046.9702977045.

The spelling of 1147633146 in words is "one billion, one hundred forty-seven million, six hundred thirty-three thousand, one hundred forty-six".