1141253544 has 64 divisors (see below), whose sum is σ = 3030984000. Its totient is φ = 357073920.

The previous prime is 1141253543. The next prime is 1141253549. The reversal of 1141253544 is 4453521411.

It is not an unprimeable number, because it can be changed into a prime (1141253543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38224 + ... + 61184.

It is an arithmetic number, because the mean of its divisors is an integer number (47359125).

Almost surely, 2^1141253544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141253544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515492000).

1141253544 is an abundant number, since it is smaller than the sum of its proper divisors (1889730456).

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

1141253544 is a wasteful number, since it uses less digits than its factorization.

1141253544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23098 (or 23094 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1141253544 is about 33782.4443165381. Note that the first 3 decimals coincide. The cubic root of 1141253544 is about 1045.0266833842.

Adding to 1141253544 its reverse (4453521411), we get a palindrome (5594774955).

The spelling of 1141253544 in words is "one billion, one hundred forty-one million, two hundred fifty-three thousand, five hundred forty-four".