1165655142 has 24 divisors (see below), whose sum is σ = 2526267744. Its totient is φ = 388446864.

The previous prime is 1165655083. The next prime is 1165655171. The reversal of 1165655142 is 2415565611.

1165655142 is a `hidden beast` number, since 1 + 1 + 6 + 565 + 51 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1165655097 and 1165655106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89923 + ... + 102065.

It is an arithmetic number, because the mean of its divisors is an integer number (105261156).

Almost surely, 2^1165655142 is an apocalyptic number.

1165655142 is an abundant number, since it is smaller than the sum of its proper divisors (1360612602).

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

1165655142 is a wasteful number, since it uses less digits than its factorization.

1165655142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17484 (or 17481 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 1165655142 is about 34141.6921373268. The cubic root of 1165655142 is about 1052.4222662314.

The spelling of 1165655142 in words is "one billion, one hundred sixty-five million, six hundred fifty-five thousand, one hundred forty-two".