1152267144 has 48 divisors (see below), whose sum is σ = 3350984400. Its totient is φ = 329218848.

The previous prime is 1152267143. The next prime is 1152267163. The reversal of 1152267144 is 4417622511.

It is a super-2 number, since 2×1152267144² = 2655439142283833472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1152267143) 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 11 ways as a sum of consecutive naturals, for example, 488734 + ... + 491085.

It is an arithmetic number, because the mean of its divisors is an integer number (69812175).

Almost surely, 2^1152267144 is an apocalyptic number.

1152267144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1152267144 is an abundant number, since it is smaller than the sum of its proper divisors (2198717256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1152267144 is a wasteful number, since it uses less digits than its factorization.

1152267144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979842 (or 979831 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1152267144 is about 33945.0606716205. The cubic root of 1152267144 is about 1048.3775832887.

Adding to 1152267144 its reverse (4417622511), we get a palindrome (5569889655).

The spelling of 1152267144 in words is "one billion, one hundred fifty-two million, two hundred sixty-seven thousand, one hundred forty-four".