1142165365 has 32 divisors (see below), whose sum is σ = 1526169600. Its totient is φ = 813568320.

The previous prime is 1142165357. The next prime is 1142165369. The reversal of 1142165365 is 5635612411.

It is not a de Polignac number, because 1142165365 - 2³ = 1142165357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142165365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142165369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1242376 + ... + 1243294.

It is an arithmetic number, because the mean of its divisors is an integer number (47692800).

Almost surely, 2^1142165365 is an apocalyptic number.

It is an amenable number.

1142165365 is a deficient number, since it is larger than the sum of its proper divisors (384004235).

1142165365 is a wasteful number, since it uses less digits than its factorization.

1142165365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its digits is 21600, while the sum is 34.

The square root of 1142165365 is about 33795.9371078832. The cubic root of 1142165365 is about 1045.3049223497.

Adding to 1142165365 its reverse (5635612411), we get a palindrome (6777777776).

The spelling of 1142165365 in words is "one billion, one hundred forty-two million, one hundred sixty-five thousand, three hundred sixty-five".