1145636144 has 10 divisors (see below), whose sum is σ = 2219670060. Its totient is φ = 572818064.

The previous prime is 1145636123. The next prime is 1145636159. The reversal of 1145636144 is 4416365411.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35801114 + ... + 35801145.

It is an arithmetic number, because the mean of its divisors is an integer number (221967006).

Almost surely, 2^1145636144 is an apocalyptic number.

It is an amenable number.

1145636144 is a deficient number, since it is larger than the sum of its proper divisors (1074033916).

1145636144 is an equidigital number, since it uses as much as digits as its factorization.

1145636144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71602267 (or 71602261 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 1145636144 is about 33847.2472145077. The cubic root of 1145636144 is about 1046.3626657570.

The spelling of 1145636144 in words is "one billion, one hundred forty-five million, six hundred thirty-six thousand, one hundred forty-four".