1144545248 has 96 divisors (see below), whose sum is σ = 2857317120. Its totient is φ = 438312960.

The previous prime is 1144545223. The next prime is 1144545263. The reversal of 1144545248 is 8425454411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141440 + ... + 149312.

It is an arithmetic number, because the mean of its divisors is an integer number (29763720).

Almost surely, 2^1144545248 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 1144545248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428658560).

1144545248 is an abundant number, since it is smaller than the sum of its proper divisors (1712771872).

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

1144545248 is a wasteful number, since it uses less digits than its factorization.

1144545248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960 (or 7952 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

The square root of 1144545248 is about 33831.1283879211. The cubic root of 1144545248 is about 1046.0304382999.

Adding to 1144545248 its reverse (8425454411), we get a palindrome (9569999659).

The spelling of 1144545248 in words is "one billion, one hundred forty-four million, five hundred forty-five thousand, two hundred forty-eight".