1163262045 has 64 divisors (see below), whose sum is σ = 2090043648. Its totient is φ = 547584000.

The previous prime is 1163262041. The next prime is 1163262143. The reversal of 1163262045 is 5402623611.

It is not a de Polignac number, because 1163262045 - 2² = 1163262041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163262041) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2523115 + ... + 2523575.

It is an arithmetic number, because the mean of its divisors is an integer number (32656932).

Almost surely, 2^1163262045 is an apocalyptic number.

1163262045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163262045 is a deficient number, since it is larger than the sum of its proper divisors (926781603).

1163262045 is a wasteful number, since it uses less digits than its factorization.

1163262045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1163262045 is about 34106.6275817472. The cubic root of 1163262045 is about 1051.7015630613.

Adding to 1163262045 its reverse (5402623611), we get a palindrome (6565885656).

The spelling of 1163262045 in words is "one billion, one hundred sixty-three million, two hundred sixty-two thousand, forty-five".