1162716145 has 4 divisors (see below), whose sum is σ = 1395259380. Its totient is φ = 930172912.

The previous prime is 1162716109. The next prime is 1162716151. The reversal of 1162716145 is 5416172611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 432473616 + 730242529 = 20796^2 + 27023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162716145 - 2⁹ = 1162715633 is a prime.

It is a super-2 number, since 2×1162716145² = 2703817667687322050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1162716145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116271610 + ... + 116271619.

It is an arithmetic number, because the mean of its divisors is an integer number (348814845).

Almost surely, 2^1162716145 is an apocalyptic number.

It is an amenable number.

1162716145 is a deficient number, since it is larger than the sum of its proper divisors (232543235).

1162716145 is an equidigital number, since it uses as much as digits as its factorization.

1162716145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232543234.

The product of its digits is 10080, while the sum is 34.

The square root of 1162716145 is about 34098.6237992093. The cubic root of 1162716145 is about 1051.5370218277.

Adding to 1162716145 its reverse (5416172611), we get a palindrome (6578888756).

It can be divided in two parts, 11627 and 16145, that added together give a palindrome (27772).

The spelling of 1162716145 in words is "one billion, one hundred sixty-two million, seven hundred sixteen thousand, one hundred forty-five".