1162262145 has 64 divisors (see below), whose sum is σ = 2108332800. Its totient is φ = 541578240.

The previous prime is 1162262131. The next prime is 1162262147. The reversal of 1162262145 is 5412622611.

It is not a de Polignac number, because 1162262145 - 2⁶ = 1162262081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1162262147) 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 63 ways as a sum of consecutive naturals, for example, 1401591 + ... + 1402419.

It is an arithmetic number, because the mean of its divisors is an integer number (32942700).

Almost surely, 2^1162262145 is an apocalyptic number.

1162262145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1162262145 is a deficient number, since it is larger than the sum of its proper divisors (946070655).

1162262145 is a wasteful number, since it uses less digits than its factorization.

1162262145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170.

The product of its digits is 5760, while the sum is 30.

The square root of 1162262145 is about 34091.9659890714. The cubic root of 1162262145 is about 1051.4001411972.

Adding to 1162262145 its reverse (5412622611), we get a palindrome (6574884756).

The spelling of 1162262145 in words is "one billion, one hundred sixty-two million, two hundred sixty-two thousand, one hundred forty-five".