1152523144 has 8 divisors (see below), whose sum is σ = 2160980910. Its totient is φ = 576261568.

The previous prime is 1152523139. The next prime is 1152523159. The reversal of 1152523144 is 4413252511.

It can be written as a sum of positive squares in only one way, i.e., 1144468900 + 8054244 = 33830^2 + 2838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72032689 + ... + 72032704.

Almost surely, 2^1152523144 is an apocalyptic number.

It is an amenable number.

1152523144 is a deficient number, since it is larger than the sum of its proper divisors (1008457766).

1152523144 is a wasteful number, since it uses less digits than its factorization.

1152523144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144065399 (or 144065395 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1152523144 is about 33948.8312611789. The cubic root of 1152523144 is about 1048.4552171341.

Adding to 1152523144 its reverse (4413252511), we get a palindrome (5565775655).

The spelling of 1152523144 in words is "one billion, one hundred fifty-two million, five hundred twenty-three thousand, one hundred forty-four".