1153140244 has 12 divisors (see below), whose sum is σ = 2018337300. Its totient is φ = 576472448.

The previous prime is 1153140221. The next prime is 1153140257. The reversal of 1153140244 is 4420413511.

It can be written as a sum of positive squares in 2 ways, for example, as 175827600 + 977312644 = 13260^2 + 31262^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6492 + ... + 48460.

It is an arithmetic number, because the mean of its divisors is an integer number (168194775).

Almost surely, 2^1153140244 is an apocalyptic number.

It is an amenable number.

1153140244 is a deficient number, since it is larger than the sum of its proper divisors (865197056).

1153140244 is a wasteful number, since it uses less digits than its factorization.

1153140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48842 (or 48840 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1153140244 is about 33957.9187230313. The cubic root of 1153140244 is about 1048.6423099130.

Adding to 1153140244 its reverse (4420413511), we get a palindrome (5573553755).

The spelling of 1153140244 in words is "one billion, one hundred fifty-three million, one hundred forty thousand, two hundred forty-four".