1145505546 has 24 divisors (see below), whose sum is σ = 2483457444. Its totient is φ = 381600000.

The previous prime is 1145505503. The next prime is 1145505587. The reversal of 1145505546 is 6455055411.

1145505546 is a `hidden beast` number, since 1 + 14 + 550 + 55 + 46 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1084055625 + 61449921 = 32925^2 + 7839^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1145505546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11796 + ... + 49296.

Almost surely, 2^1145505546 is an apocalyptic number.

1145505546 is an abundant number, since it is smaller than the sum of its proper divisors (1337951898).

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

1145505546 is a wasteful number, since it uses less digits than its factorization.

1145505546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39206 (or 39203 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 1145505546 is about 33845.3179332090. The cubic root of 1145505546 is about 1046.3229038410.

The spelling of 1145505546 in words is "one billion, one hundred forty-five million, five hundred five thousand, five hundred forty-six".