1145503224 has 48 divisors (see below), whose sum is σ = 3237296400. Its totient is φ = 365232384.

The previous prime is 1145503213. The next prime is 1145503237. The reversal of 1145503224 is 4223055411.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 344209 + ... + 347520.

It is an arithmetic number, because the mean of its divisors is an integer number (67443675).

Almost surely, 2^1145503224 is an apocalyptic number.

It is an amenable number.

1145503224 is an abundant number, since it is smaller than the sum of its proper divisors (2091793176).

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

1145503224 is a wasteful number, since it uses less digits than its factorization.

1145503224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691764 (or 691757 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1145503224 is about 33845.2836300717. The cubic root of 1145503224 is about 1046.3221968567.

Adding to 1145503224 its reverse (4223055411), we get a palindrome (5368558635).

The spelling of 1145503224 in words is "one billion, one hundred forty-five million, five hundred three thousand, two hundred twenty-four".