1144503250 has 64 divisors (see below), whose sum is σ = 2344567680. Its totient is φ = 414888000.

The previous prime is 1144503221. The next prime is 1144503259. The reversal of 1144503250 is 523054411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1144503259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1613896 + ... + 1614604.

It is an arithmetic number, because the mean of its divisors is an integer number (36633870).

Almost surely, 2^1144503250 is an apocalyptic number.

1144503250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144503250 is an abundant number, since it is smaller than the sum of its proper divisors (1200064430).

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

1144503250 is a wasteful number, since it uses less digits than its factorization.

1144503250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1144503250 is about 33830.5076816769. The cubic root of 1144503250 is about 1046.0176437791.

Adding to 1144503250 its reverse (523054411), we get a palindrome (1667557661).

The spelling of 1144503250 in words is "one billion, one hundred forty-four million, five hundred three thousand, two hundred fifty".